{"title":"K-Flex","description":"\u003ch1\u003eK-Flex Pipe Insulation \u0026amp; Accessories\u003c\/h1\u003e\u003cp\u003eK-Flex elastomeric foam pipe insulation for air conditioning, refrigeration, and HVAC installations. Class O fire-rated, manufactured in Italy to the highest quality standards. Stocked in self-seal tube, coil, sheet, and specialist formats — available from UK stock with same-day dispatch and trade pricing.\u003c\/p\u003e\u003ch2\u003eK-Flex ST Self-Seal\u003c\/h2\u003e\u003cp\u003eThe trade standard for domestic and light commercial AC installations. Pre-slit 2m lengths with a factory-applied self-adhesive seam — no adhesive required for straight runs. Available in 9mm, 13mm, and 19mm wall thicknesses across a full range of bore sizes from 6mm to 54mm. Fast to install, clean finish, consistent vapour barrier.\u003c\/p\u003e\u003ch2\u003eK-Flex ST Standard Tube\u003c\/h2\u003e\u003cp\u003eNon-self-seal tube for installations where K-420 adhesive is preferred or required. Suitable for all refrigerant pipework, chilled water, and HVAC applications. Same Class O rating and dimensional range as the self-seal range.\u003c\/p\u003e\u003ch2\u003eK-Flex Insulation Coil\u003c\/h2\u003e\u003cp\u003eContinuous coil format for bulk installs, VRF\/VRV systems, and long pipe runs. Lower cost per metre than pre-cut tube. Cut to length on site. Ideal for multi-unit commercial installations where speed and material cost matter.\u003c\/p\u003e\u003ch2\u003eK-Flex Sheet \u0026amp; Roll\u003c\/h2\u003e\u003cp\u003eFlat sheet insulation for wrapping irregular shapes, ductwork, valves, and fittings where tube format is not practical. Available in standard and self-adhesive backed versions.\u003c\/p\u003e\u003ch2\u003eCompleting a K-Flex Installation\u003c\/h2\u003e\u003cp\u003eFor a compliant, long-lasting vapour barrier, all K-Flex installations require \u003cstrong\u003eK-420 contact adhesive\u003c\/strong\u003e at all joints, bends, tees, and cut ends, and \u003cstrong\u003eK-Flex insulation tape\u003c\/strong\u003e to seal the seam and any exposed edges. Skipping either step creates condensation risk at the joint. Both are stocked under \u003ca href=\"\/collections\/insulation\"\u003ePipe Insulation Accessories\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/pipe-supports-fixings-hangers\"\u003ePipe supports and fixings\u003c\/a\u003e for insulated pipework are stocked separately. For external and underground applications, see \u003ca href=\"\/collections\/armacell\"\u003eArmacell Tuffcoat\u003c\/a\u003e insulation.\u003c\/p\u003e\u003cp\u003eTrade accounts available — call 0161 775 1190 for volume pricing.\u003c\/p\u003e","products":[{"product_id":"k-flex-pipe-insulation-lagging-glue-25-litre-k-420","title":"K-FLEX K-420 Contact Adhesive for Pipe Insulation 250ml","description":"\u003cp\u003e\u003cstrong\u003eK-FLEX K-420 is the correct contact adhesive for bonding K-FLEX pipe insulation on bends, tees, fittings and any joint where self-seal tape alone is not sufficient — completing the vapour barrier on every complex connection.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✔ Designed specifically for K-FLEX elastomeric foam insulation\u003c\/li\u003e\n\u003cli\u003e✔ Essential for bends, tees and complex fittings\u003c\/li\u003e\n\u003cli\u003e✔ Completes the vapour barrier where tape cannot reach\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen Do You Need K-420 Adhesive?\u003c\/h3\u003e\u003cp\u003eSelf-seal insulation and ST tape handle straight runs and simple joints — but bends, tees, reducers and complex fittings require a contact adhesive to achieve a continuous, airtight bond. K-420 is the manufacturer-recommended adhesive for all K-FLEX elastomeric foam insulation, ensuring full compatibility and a lasting seal on every part of the system.\u003c\/p\u003e\u003cp\u003eOn a typical AC installation, K-420 is used at every bend and fitting — a 250ml tin is sufficient for most single-unit domestic installations.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBonding insulation on pipe bends and elbows\u003c\/li\u003e\n\u003cli\u003eSealing tee junctions and reducers\u003c\/li\u003e\n\u003cli\u003eClosing longitudinal seams on non-self-seal K-FLEX insulation\u003c\/li\u003e\n\u003cli\u003eBonding insulation to fittings and valves\u003c\/li\u003e\n\u003cli\u003eAny joint requiring a permanent, airtight elastomeric bond\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eContact adhesive — apply to both surfaces, allow to tack, then press together\u003c\/li\u003e\n\u003cli\u003eSpecifically formulated for elastomeric foam insulation\u003c\/li\u003e\n\u003cli\u003eCompatible with all K-FLEX ST, SK and standard tube insulation\u003c\/li\u003e\n\u003cli\u003eFast-tack formula for efficient on-site use\u003c\/li\u003e\n\u003cli\u003e250ml tin — sufficient for a typical domestic AC installation\u003c\/li\u003e\n\u003cli\u003eSolvent-based — use in well-ventilated areas\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-420 Contact Adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e850CL020039\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContact adhesive (solvent-based)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST, SK, and standard elastomeric foam insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClean both surfaces to be bonded\u003c\/li\u003e\n\u003cli\u003eApply K-420 to both surfaces using a brush or spreader\u003c\/li\u003e\n\u003cli\u003eAllow to become touch-dry (approximately 5–10 minutes)\u003c\/li\u003e\n\u003cli\u003ePress surfaces firmly together — bond is immediate on contact\u003c\/li\u003e\n\u003cli\u003eUse in a well-ventilated area\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComplete Your Insulation System\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kflex-st-sk-tube\"\u003eK-FLEX ST Self-Seal Pipe Insulation\u003c\/a\u003e — the primary insulation K-420 is designed to bond\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/anti-condensation-tape-k-flex-st-vapour-barrier\"\u003eK-FLEX ST Insulation Tape\u003c\/a\u003e — for sealing straight joints and cut ends\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC Copper Pipe\u003c\/a\u003e — refrigerant-grade pipework for AC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/fittings-connectors\"\u003eFittings \u0026amp; Connectors\u003c\/a\u003e — refrigeration fittings requiring insulation finishing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMost engineers use K-420 alongside \u003ca href=\"\/products\/kflex-st-sk-tube\"\u003eK-FLEX ST Self-Seal insulation\u003c\/a\u003e and \u003ca href=\"\/products\/anti-condensation-tape-k-flex-st-vapour-barrier\"\u003eK-FLEX ST tape\u003c\/a\u003e to complete a full, professional insulation system.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAlso known as: insulation adhesive, pipe lagging glue, elastomeric foam adhesive, K-FLEX glue, insulation contact adhesive.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder K-FLEX K-420 contact adhesive today — available from UK stock with fast trade delivery.\u003c\/strong\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"Default","offer_id":57029823693177,"sku":"850CL020039","price":27.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-K-420-Adhesive-Ryan-Air-Conditioning-Spares-68410676969847.webp?v=1777807367"},{"product_id":"k-flex-solar-ht-tape-1","title":"K-FLEX Solar HT Tape","description":"\u003ch3\u003eHigh-Temperature Tape for Solar Thermal Systems\u003c\/h3\u003e\u003cp\u003eK-FLEX Solar HT Tape is a specialist high-temperature self-adhesive tape engineered for solar thermal installations and high-heat pipe insulation applications. Designed to withstand extreme temperatures up to +150°C, this professional-grade tape provides superior vapour barrier protection and UV resistance for outdoor solar thermal systems. Essential for sealing \u003ca href=\"\/collections\/k-flex-solar-ht\" title=\"K-FLEX SOLAR HT\"\u003eK-FLEX SOLAR HT insulation\u003c\/a\u003e joints and seams.\u003c\/p\u003e\u003ch3\u003ePrimary Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar thermal pipe insulation\u003c\/strong\u003e – Essential for sealing \u003ca href=\"\/collections\/k-flex-solar-ht\" title=\"K-FLEX SOLAR HT\"\u003eK-FLEX SOLAR HT insulation\u003c\/a\u003e on solar collector pipework and hot water systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-temperature HVAC systems\u003c\/strong\u003e – Ideal for heating circuits, boiler pipework, and district heating applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor installations\u003c\/strong\u003e – UV-resistant formulation suitable for exposed external pipework\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial heating systems\u003c\/strong\u003e – Reliable performance in demanding high-temperature environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-temperature performance: -40°C to +150°C operating range\u003c\/li\u003e\n\u003cli\u003eUV-resistant for outdoor and exposed applications\u003c\/li\u003e\n\u003cli\u003eSelf-adhesive backing for fast, tool-free installation\u003c\/li\u003e\n\u003cli\u003eExcellent vapour barrier properties to prevent condensation\u003c\/li\u003e\n\u003cli\u003eCompatible with K-FLEX SOLAR HT elastomeric insulation systems\u003c\/li\u003e\n\u003cli\u003eDurable black finish for professional appearance\u003c\/li\u003e\n\u003cli\u003eFlexible and conformable to irregular surfaces and fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for solar thermal installers, heating engineers, and maintenance professionals working with \u003ca href=\"\/collections\/k-flex-solar-ht\" title=\"K-FLEX SOLAR HT\"\u003eK-FLEX SOLAR HT pipe insulation systems\u003c\/a\u003e.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"Default Title","offer_id":57029857640825,"sku":"850CG020107","price":54.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Solar-HT-Tape-Ryan-Air-Conditioning-Spares-68406141223287.jpg?v=1775892267"},{"product_id":"k-flex-bituminous-conglomerate-tape","title":"K-FLEX Bituminous Conglomerate Tape","description":"\u003ch3\u003ePremium Bituminous Sealing Tape for Outdoor Insulation\u003c\/h3\u003e\u003cp\u003eK-FLEX Bituminous Conglomerate Tape is a heavy-duty self-adhesive bituminous tape engineered for demanding outdoor and underground pipe insulation applications. This professional-grade tape provides exceptional insulation, weatherproofing, and mechanical resistance, making it ideal for protecting pipe systems in heating, air conditioning, refrigeration, and plumbing installations.\u003c\/p\u003e\u003ch3\u003ePrimary Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe insulation and condensation prevention\u003c\/strong\u003e – Essential for pipes, fittings, and tubing in HVAC, refrigeration, and plumbing systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor pipe insulation protection\u003c\/strong\u003e – Weatherproofing layer for exposed elastomeric insulation systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderground pipework\u003c\/strong\u003e – Protects insulation from moisture, soil contact, and mechanical damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-layer applications\u003c\/strong\u003e – Self-adhesive to itself, allowing multiple layers without additional fasteners or adhesives\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComposition \u0026amp; Construction\u003c\/h3\u003e\u003cp\u003ePolymer-based material containing butyl rubber, asphalt, and granulated cork (55% by volume). Contains no fibres. Black colour with a grainy, rubber-like consistency.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-adhesive\u003c\/strong\u003e – Adheres to most clean, dry surfaces and to itself without additional gluing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft and pliable\u003c\/strong\u003e – Easily molded around fittings and connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV resistant\u003c\/strong\u003e – Retains flexibility and adhesion after prolonged UV exposure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range\u003c\/strong\u003e – Service temperature from -30°C to +100°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e – Specific weight 0.99 ± 0.05 g\/cm³, tensile yield 2,688 bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndefinite shelf life\u003c\/strong\u003e – When stored under normal warehouse conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e9 m or 15 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eBlack (ASTM D1729)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecific Weight\u003c\/td\u003e\n\u003ctd\u003e0.99 ± 0.05 g\/cm³ (ASTM D297)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolids Content\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;99% by weight (ASTM C771)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Yield\u003c\/td\u003e\n\u003ctd\u003e2,688 bar (ASTM C907)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation to Break\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;2 inches (TP-019)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eIdeal for mechanical contractors, HVAC installers, and maintenance professionals working with outdoor, underground, and demanding pipe insulation systems.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eK-FLEX reserves the right to change data and technical requirements without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"Default Title","offer_id":57029858951545,"sku":"850VR020004","price":35.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Bituminous-Conglomerate-Tape-Ryan-Air-Conditioning-Spares-68409520947575.jpg?v=1775892278"},{"product_id":"k-flex-butyl-tape-50mm-wide","title":"K-FLEX Butyl Tape 50mm Wide","description":"\u003ch3\u003eProfessional Butyl Sealing Tape with Reinforced Aluminium Film\u003c\/h3\u003e\u003cp\u003eK-FLEX Butyl Tape is a premium self-adhesive sealing tape consisting of a high-performance butyl rubber adhesive compound, protected by a reinforced aluminium film. Highly adhesive even at low temperatures to all common building materials, this professional-grade tape is highly resistant to ageing and UV rays. Available in various sizes for multipurpose applications.\u003c\/p\u003e\u003ch3\u003ePrimary Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing and joining materials\u003c\/strong\u003e – Glass, steel, Plexiglas, polycarbonate, wood, aluminium, PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoors and windows\u003c\/strong\u003e – Sealing frames, conservatories, and glazing systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoofing and construction\u003c\/strong\u003e – Canopies, roofs, chimneys, skylights, and gutters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping and ducting\u003c\/strong\u003e – HVAC systems, insulation joints, and ductwork sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal insulation applications\u003c\/strong\u003e – Ensures perfect grip, protecting the inside of insulation against humidity formation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear-resistant\u003c\/strong\u003e – Reinforced aluminium-PET film construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold applied\u003c\/strong\u003e – Excellent adhesion at low temperatures (down to 0°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and self-sealing\u003c\/strong\u003e – 100% solids, no oil migration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent heat stability\u003c\/strong\u003e – Service temperature range -30°C to +90°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV and ageing resistant\u003c\/strong\u003e – Long-lasting outdoor performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolvent-free\u003c\/strong\u003e – Safe for use on sensitive substrates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy application\u003c\/strong\u003e – No special tools required, cold applied\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eTest Method\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilm Type \/ Colour\u003c\/td\u003e\n\u003ctd\u003eAluminium - PET\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompound Type \/ Colour\u003c\/td\u003e\n\u003ctd\u003eButyl Rubber Adhesive \/ Grey\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Thickness\u003c\/td\u003e\n\u003ctd\u003e0.8 mm\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e10 m\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e50 mm or 100 mm\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003eLong. 185 N\/50mm | Trans. 200 N\/50mm\u003c\/td\u003e\n\u003ctd\u003eEN 12311-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation to Break\u003c\/td\u003e\n\u003ctd\u003eLong. 10% | Trans. 20%\u003c\/td\u003e\n\u003ctd\u003eEN 12311-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolids\u003c\/td\u003e\n\u003ctd\u003e100%\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e180° Peel Adhesion\u003c\/td\u003e\n\u003ctd\u003e20 N\/cm\u003c\/td\u003e\n\u003ctd\u003eASTM D 1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tack\u003c\/td\u003e\n\u003ctd\u003e8.0 N\u003c\/td\u003e\n\u003ctd\u003eASTM D 2979\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical Flow\u003c\/td\u003e\n\u003ctd\u003e0 mm\u003c\/td\u003e\n\u003ctd\u003eISO 7390\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +40°C\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +90°C\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFire Classification\u003c\/td\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003eEN 13501-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Vapour Resistance\u003c\/td\u003e\n\u003ctd\u003eμ = 2,720,000\u003c\/td\u003e\n\u003ctd\u003eUNI EN 1931\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTVOC Emissions\u003c\/td\u003e\n\u003ctd\u003e30 μg\/m³\u003c\/td\u003e\n\u003ctd\u003eISO 16000-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eApplication Instructions\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eChoose the most suitable width and metal finish of the sealing tape\u003c\/li\u003e\n\u003cli\u003eEnsure surface is clean, dry, smooth, and dust-free\u003c\/li\u003e\n\u003cli\u003eFor applications between 0°C and 5°C, ensure frost or condensation are absent\u003c\/li\u003e\n\u003cli\u003eUnroll tape to desired length and remove release liner\u003c\/li\u003e\n\u003cli\u003ePosition the sealing tape and roll-press to avoid air bubbles\u003c\/li\u003e\n\u003cli\u003eWhen connecting two tapes, use an overlap of at least 5 cm\u003c\/li\u003e\n\u003cli\u003ePress with a roller or cloth pad for optimal adhesion\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eStorage \u0026amp; Shelf Life\u003c\/h3\u003e\u003cp\u003eUse within 12 months from production date. Store in original unopened packaging in a dry, well-ventilated place at +5°C to +40°C. Storage above 50°C may lead to difficulties removing the release liner. Product is not affected by frost.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Butyl sealants are plastic products with no elastic recovery. Do not use for permanent fixing or load-bearing applications instead of an adhesive or mechanical fixing. Butyl adhesive is sensitive to solvents - check chemical compatibility with substrate adhesives.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eK-FLEX reserves the right to change data and technical requirements without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"Default Title","offer_id":57029859737977,"sku":"850NS020198","price":7.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Butyl-Tape-50mm-Wide-Ryan-Air-Conditioning-Spares-68409667780983.jpg?v=1775892289"},{"product_id":"k-flex-butyl-tape-100mm-10m-long","title":"K-FLEX Butyl Tape 100mm 10m long","description":"\u003ch3\u003eProfessional Butyl Sealing Tape with Reinforced Aluminium Film - 100mm Width\u003c\/h3\u003e\u003cp\u003eK-FLEX Butyl Tape is a premium self-adhesive sealing tape consisting of a high-performance butyl rubber adhesive compound, protected by a reinforced aluminium film. Highly adhesive even at low temperatures to all common building materials, this professional-grade tape is highly resistant to ageing and UV rays. The 100mm width is ideal for larger sealing applications and wider joints.\u003c\/p\u003e\u003ch3\u003ePrimary Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing and joining materials\u003c\/strong\u003e – Glass, steel, Plexiglas, polycarbonate, wood, aluminium, PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoors and windows\u003c\/strong\u003e – Sealing frames, conservatories, and glazing systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoofing and construction\u003c\/strong\u003e – Canopies, roofs, chimneys, skylights, and gutters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping and ducting\u003c\/strong\u003e – HVAC systems, insulation joints, and ductwork sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal insulation applications\u003c\/strong\u003e – Ensures perfect grip, protecting the inside of insulation against humidity formation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear-resistant\u003c\/strong\u003e – Reinforced aluminium-PET film construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold applied\u003c\/strong\u003e – Excellent adhesion at low temperatures (down to 0°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and self-sealing\u003c\/strong\u003e – 100% solids, no oil migration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent heat stability\u003c\/strong\u003e – Service temperature range -30°C to +90°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV and ageing resistant\u003c\/strong\u003e – Long-lasting outdoor performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolvent-free\u003c\/strong\u003e – Safe for use on sensitive substrates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy application\u003c\/strong\u003e – No special tools required, cold applied\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eTest Method\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilm Type \/ Colour\u003c\/td\u003e\n\u003ctd\u003eAluminium - PET\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompound Type \/ Colour\u003c\/td\u003e\n\u003ctd\u003eButyl Rubber Adhesive \/ Grey\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Thickness\u003c\/td\u003e\n\u003ctd\u003e0.8 mm\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e10 m\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003eLong. 185 N\/50mm | Trans. 200 N\/50mm\u003c\/td\u003e\n\u003ctd\u003eEN 12311-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation to Break\u003c\/td\u003e\n\u003ctd\u003eLong. 10% | Trans. 20%\u003c\/td\u003e\n\u003ctd\u003eEN 12311-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolids\u003c\/td\u003e\n\u003ctd\u003e100%\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e180° Peel Adhesion\u003c\/td\u003e\n\u003ctd\u003e20 N\/cm\u003c\/td\u003e\n\u003ctd\u003eASTM D 1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tack\u003c\/td\u003e\n\u003ctd\u003e8.0 N\u003c\/td\u003e\n\u003ctd\u003eASTM D 2979\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical Flow\u003c\/td\u003e\n\u003ctd\u003e0 mm\u003c\/td\u003e\n\u003ctd\u003eISO 7390\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +40°C\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +90°C\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFire Classification\u003c\/td\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003eEN 13501-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Vapour Resistance\u003c\/td\u003e\n\u003ctd\u003eμ = 2,720,000\u003c\/td\u003e\n\u003ctd\u003eUNI EN 1931\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTVOC Emissions\u003c\/td\u003e\n\u003ctd\u003e30 μg\/m³\u003c\/td\u003e\n\u003ctd\u003eISO 16000-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eApplication Instructions\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eChoose the most suitable width and metal finish of the sealing tape\u003c\/li\u003e\n\u003cli\u003eEnsure surface is clean, dry, smooth, and dust-free\u003c\/li\u003e\n\u003cli\u003eFor applications between 0°C and 5°C, ensure frost or condensation are absent\u003c\/li\u003e\n\u003cli\u003eUnroll tape to desired length and remove release liner\u003c\/li\u003e\n\u003cli\u003ePosition the sealing tape and roll-press to avoid air bubbles\u003c\/li\u003e\n\u003cli\u003eWhen connecting two tapes, use an overlap of at least 5 cm\u003c\/li\u003e\n\u003cli\u003ePress with a roller or cloth pad for optimal adhesion\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eStorage \u0026amp; Shelf Life\u003c\/h3\u003e\u003cp\u003eUse within 12 months from production date. Store in original unopened packaging in a dry, well-ventilated place at +5°C to +40°C. Storage above 50°C may lead to difficulties removing the release liner. Product is not affected by frost.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Butyl sealants are plastic products with no elastic recovery. Do not use for permanent fixing or load-bearing applications instead of an adhesive or mechanical fixing. Butyl adhesive is sensitive to solvents - check chemical compatibility with substrate adhesives.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eK-FLEX reserves the right to change data and technical requirements without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"Default Title","offer_id":57029860950393,"sku":"850NS020199","price":4.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Butyl-Tape-100mm-10m-long-Ryan-Air-Conditioning-Spares-68409888899447.jpg?v=1775892298"},{"product_id":"anti-condensation-tape-k-flex-st-vapour-barrier","title":"K-FLEX ST Insulation Tape 50mm x 15m Vapour Barrier for AC \u0026 HVAC","description":"\u003cp\u003e\u003cstrong\u003eK-FLEX ST insulation tape is the essential finishing product for every K-FLEX pipe insulation installation — sealing joints, fittings and cut ends to complete the vapour barrier and prevent condensation.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✔ Seals joints and fittings on K-FLEX ST self-seal insulation\u003c\/li\u003e\n\u003cli\u003e✔ Class O fire-rated vapour barrier\u003c\/li\u003e\n\u003cli\u003e✔ Self-adhesive — fast application, no tools required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen Do You Need Insulation Tape?\u003c\/h3\u003e\u003cp\u003eSelf-seal insulation closes the longitudinal seam automatically — but every joint, fitting, bend and cut end still needs to be sealed with tape or adhesive to maintain the vapour barrier. Skipping this step leads to condensation, moisture ingress and insulation failure over time. K-FLEX ST tape is the correct finishing product for all K-FLEX ST and K-FLEX SK self-seal insulation installations.\u003c\/p\u003e\u003cp\u003eOn most installations, tape is used on every joint and fitting — meaning one roll is typically required per system.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSealing longitudinal seams on non-self-seal K-FLEX insulation\u003c\/li\u003e\n\u003cli\u003eFinishing joints where two lengths of insulation meet\u003c\/li\u003e\n\u003cli\u003eSealing around pipe fittings, bends and tees\u003c\/li\u003e\n\u003cli\u003eCovering cut ends and terminations\u003c\/li\u003e\n\u003cli\u003eAny application requiring a complete, continuous vapour barrier\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelf-adhesive closed-cell elastomeric foam tape\u003c\/li\u003e\n\u003cli\u003eClass O fire rating — Euroclass BL-s2, d0\u003c\/li\u003e\n\u003cli\u003eUV-resistant black finish — suitable for exposed installations\u003c\/li\u003e\n\u003cli\u003eCompatible with all K-FLEX ST and SK pipe insulation\u003c\/li\u003e\n\u003cli\u003e50mm width — ideal for standard pipe insulation joints\u003c\/li\u003e\n\u003cli\u003e15m roll — sufficient for a typical single-unit AC installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e850NS020050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15m per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass O (Euroclass BL-s2, d0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBacking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eUsed With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kflex-st-sk-tube\"\u003eK-FLEX ST Self-Seal Pipe Insulation\u003c\/a\u003e — the primary insulation this tape is designed to finish\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-420 Adhesive\u003c\/a\u003e — for complex bends, tees and connections where tape alone is not sufficient\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC Copper Pipe\u003c\/a\u003e — refrigerant-grade pipework for AC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/fittings-connectors\"\u003eFittings \u0026amp; Connectors\u003c\/a\u003e — refrigeration fittings requiring insulation finishing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMost engineers pair this with \u003ca href=\"\/products\/kflex-st-sk-tube\"\u003eK-FLEX ST Self-Seal insulation\u003c\/a\u003e and K-420 adhesive to complete a full insulation system.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAlso known as: insulation tape, vapour barrier tape, pipe lagging tape, AC insulation tape, pipe insulation tape.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder K-FLEX ST insulation tape today — available from UK stock with fast trade delivery.\u003c\/strong\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"Default Title","offer_id":57029861540217,"sku":"850NS020050","price":13.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/Anti-Condensation-Tape-K-FLEX-ST-Vapour-Barrier-for-Pipe-Insulation-Ryan-Air-Conditioning-Spares-68512510476663.png?v=1775892310"},{"product_id":"kflex-st-sk-tube","title":"K-FLEX ST Self-Seal Pipe Insulation 2m Class O for AC \u0026 HVAC Systems","description":"\u003cp\u003e\u003cstrong\u003eK-FLEX ST Self-Seal insulation is the fastest way to insulate AC pipework — no adhesive required on the seam, clean finish every time.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✔ Self-seal — no adhesive needed on straight runs\u003c\/li\u003e\n\u003cli\u003e✔ Class O fire-rated insulation (Euroclass BL-s2, d0)\u003c\/li\u003e\n\u003cli\u003e✔ 2m lengths — fast installation on site\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Use Self-Seal Insulation?\u003c\/h3\u003e\u003cp\u003eSelf-seal insulation reduces installation time and eliminates adhesive on straight runs. This means faster installs, less mess on site, and consistent sealing across every job — especially valuable on larger or multi-unit installations where speed and finish quality matter.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefrigerant pipework on split system AC installations\u003c\/li\u003e\n\u003cli\u003eChilled water and cooling pipework\u003c\/li\u003e\n\u003cli\u003eDomestic and commercial HVAC systems\u003c\/li\u003e\n\u003cli\u003eAny application requiring fast, clean pipe insulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Size\u003c\/h3\u003e\u003cp\u003eSelect pipe bore size to match your copper pipe OD, then choose wall thickness based on your application:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9mm\u003c\/strong\u003e — tight spaces and short pipe runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13mm\u003c\/strong\u003e — standard AC installations (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19mm\u003c\/strong\u003e — refrigeration and low temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm+\u003c\/strong\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eK-FLEX vs Armaflex\u003c\/h3\u003e\u003cp\u003eK-FLEX ST offers the same Class O fire-rated performance as Armaflex, with a faster self-seal installation system and excellent value for trade use — making it a popular alternative for HVAC engineers across the UK. For underground or external pipe runs where waterproof protection is required, see our \u003ca href=\"\/products\/armaflex-evo-tuffcoat-underground-pipe-insulation-class-o-1m\"\u003eArmaflex EVO Tuffcoat underground insulation\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelf-seal adhesive closure — fast, clean installation without separate adhesive on straight runs\u003c\/li\u003e\n\u003cli\u003eClosed-cell elastomeric foam — prevents condensation and moisture ingress\u003c\/li\u003e\n\u003cli\u003eClass O fire rating — Euroclass BL-s2, d0\u003c\/li\u003e\n\u003cli\u003eThermal conductivity as low as 0.031 W\/(m·K)\u003c\/li\u003e\n\u003cli\u003eService temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eSupplied in 2m lengths\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Self-Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2m per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass O (Euroclass BL-s2, d0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.031 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-seal adhesive strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eEssential Accessories\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-FLEX ST Tape\u003c\/a\u003e — seal joints, fittings and cut ends for a complete insulation system\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-420 Adhesive\u003c\/a\u003e — for bends, tees and complex connections where self-seal is not sufficient\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComplete Your Installation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC Copper Pipe\u003c\/a\u003e — refrigerant-grade copper pipe for AC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/pipe-supports-fixings-hangers\"\u003ePipe Supports \u0026amp; Fixings\u003c\/a\u003e — clips and brackets for securing insulated pipework\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/trunking-ducting\"\u003eTrunking \u0026amp; Cable Management\u003c\/a\u003e — for neat routing of pipework and cables\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/fittings-connectors\"\u003eFittings \u0026amp; Connectors\u003c\/a\u003e — refrigeration fittings for copper pipe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsed With\u003c\/h3\u003e\u003cp\u003eK-FLEX ST Self-Seal insulation is installed over \u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC copper pipe\u003c\/a\u003e after pressure testing and before final commissioning. Seal all joints and fittings with \u003ca href=\"\/collections\/installation-materials\"\u003eK-FLEX ST tape or K-420 adhesive\u003c\/a\u003e to complete the system. For underground or external runs, see \u003ca href=\"\/products\/armaflex-evo-tuffcoat-underground-pipe-insulation-class-o-1m\"\u003eArmaflex EVO Tuffcoat\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder K-FLEX ST Self-Seal pipe insulation today — available from UK stock with fast trade delivery.\u003c\/strong\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"22mm \/ 9mm","offer_id":57031784890745,"sku":"9022215603","price":3.78,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 9mm","offer_id":57149308305785,"sku":"9015215603","price":3.04,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 9mm","offer_id":57149308338553,"sku":"9028215603","price":4.2,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 9mm","offer_id":57149308371321,"sku":"9035215603","price":4.74,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 9mm","offer_id":57149308404089,"sku":"9042215603","price":5.5,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 9mm","offer_id":57149308436857,"sku":"9048215603","price":6.92,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 9mm","offer_id":57149308469625,"sku":"9054215603","price":7.92,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 9mm","offer_id":57149308502393,"sku":"9060215603","price":9.16,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 13mm","offer_id":57149308535161,"sku":"13015215603","price":3.98,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 13mm","offer_id":57149308567929,"sku":"13020215603","price":4.82,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 13mm","offer_id":57149308600697,"sku":"13022215603","price":4.94,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 13mm","offer_id":57149308633465,"sku":"13028215603","price":5.92,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 13mm","offer_id":57149308666233,"sku":"13035215603","price":6.4,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 13mm","offer_id":57149308699001,"sku":"13042215603","price":7.58,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 13mm","offer_id":57149308731769,"sku":"13048215603","price":8.96,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 13mm","offer_id":57149308764537,"sku":"13054215603","price":10.4,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 13mm","offer_id":57149308797305,"sku":"13060215603","price":11.74,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 13mm","offer_id":57149308830073,"sku":"13067215603","price":14.36,"currency_code":"GBP","in_stock":true},{"title":"76mm \/ 13mm","offer_id":57149308862841,"sku":"13076215603","price":17.36,"currency_code":"GBP","in_stock":true},{"title":"89mm \/ 13mm","offer_id":57149308895609,"sku":"13089215603","price":22.22,"currency_code":"GBP","in_stock":true},{"title":"114mm \/ 13mm","offer_id":57149308928377,"sku":"13114215603","price":35.12,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 19mm","offer_id":57149308961145,"sku":"19015215603","price":6.66,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 19mm","offer_id":57149308993913,"sku":"19022215603","price":8.14,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 19mm","offer_id":57149309026681,"sku":"19028215603","price":11.14,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 19mm","offer_id":57149309059449,"sku":"19035215603","price":12.96,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 19mm","offer_id":57149309092217,"sku":"19042215603","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 19mm","offer_id":57149309124985,"sku":"19048215603","price":17.34,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 19mm","offer_id":57149309157753,"sku":"19054215603","price":18.88,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 19mm","offer_id":57149309190521,"sku":"19060215603","price":21.6,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 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Roll\u003c\/strong\u003e is a high‑quality finishing accessory used to seal the ends of insulated pipe sections. It provides mechanical protection and a neat, professional appearance while maintaining the integrity of the insulation system.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eDurable aluminium construction\u003c\/strong\u003e for long‑term mechanical protection.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eCompatible with K‑FLEX PU pipe sections and elbows\u003c\/strong\u003e for system continuity.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eMultiple size options\u003c\/strong\u003e to suit different insulation diameters.\u003c\/li\u003e  \u003cli\u003eSuitable for indoor mechanical rooms and protected outdoor installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e  \u003cli\u003eSealing insulation terminations on pipe sections\u003c\/li\u003e  \u003cli\u003eFinishing exposed ends of insulated bends and fittings\u003c\/li\u003e  \u003cli\u003eHVAC, industrial, mechanical and plantroom installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable class=\"tech-table\"\u003e  \u003ctr\u003e\u003cth colspan=\"2\"\u003eTechnical Specifications — K‑FLEX Aluminium Endcapping Roll\u003c\/th\u003e\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDesigned for K‑FLEX PU pipe sections and elbows\u003c\/td\u003e\n\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd\u003e18×32, 23×32, 28×32, 38×42, 48×42, 58×42\u003c\/td\u003e\n\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eSealing and protecting insulation terminations\u003c\/td\u003e\n\u003c\/tr\u003e  \u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eMechanical rooms, plant areas, general HVAC installation finishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cul\u003e  \u003cli\u003eWrap endcapping around the insulation end with appropriate overlap.\u003c\/li\u003e  \u003cli\u003eSecure using K‑FLEX adhesives or tapes according to installation guidance.\u003c\/li\u003e  \u003cli\u003eEnsure full coverage for best mechanical integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Accessories\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eComplete your installation:\u003c\/strong\u003e \u003ca href=\"\/products\/kflex-pu-pipe-section\"\u003eK-FLEX PU Pipe Section\u003c\/a\u003e · \u003ca href=\"\/products\/kflex-pu-elbow\"\u003eK-FLEX PU Elbow\u003c\/a\u003e · \u003ca href=\"\/products\/k-flex-k-420-adhesive\"\u003eK-420 Adhesive\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eTechnical Resources\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/0011\/1991\/files\/K-FLEX_PU_0725.pdf\" target=\"_blank\" rel=\"noopener\"\u003e📄 Download K-FLEX PU Technical Datasheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"18x32","offer_id":57031788757369,"sku":"KFPU-END-18x32","price":3.25,"currency_code":"GBP","in_stock":true},{"title":"23x32","offer_id":57149362176377,"sku":"KFPU-END-23x32","price":4.08,"currency_code":"GBP","in_stock":true},{"title":"28x32","offer_id":57149362209145,"sku":"KFPU-END-28x32","price":4.92,"currency_code":"GBP","in_stock":true},{"title":"38x42","offer_id":57149362241913,"sku":"KFPU-END-38x42","price":8.56,"currency_code":"GBP","in_stock":true},{"title":"48x42","offer_id":57149362274681,"sku":"KFPU-END-48x42","price":10.75,"currency_code":"GBP","in_stock":true},{"title":"58x42","offer_id":57149362307449,"sku":"KFPU-END-58x42","price":12.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Aluminium-Endcapping-Roll-Ryan-Air-Conditioning-Spares-68853773042039.jpg?v=1777271191"},{"product_id":"k-flex-k-rock-foiled-insulation","title":"K-FLEX K-Rock ALU Mineral Wool Pipe Insulation","description":"\u003ch2\u003eK-FLEX K-Rock ALU Mineral Wool Pipe Insulation\u003c\/h2\u003e\u003cp\u003eK-FLEX K-Rock ALU is a pre-formed mineral wool (rock wool) pipe section with an aluminium foil facing, manufactured to the highest European standards. Engineered for high-temperature HVAC, industrial, and building services pipework where elastomeric insulation is unsuitable, K-Rock ALU delivers outstanding thermal performance, fire resistance, and mechanical durability in demanding environments.\u003c\/p\u003e\u003cp\u003eThe factory-applied aluminium foil laminate provides a clean, professional finish and acts as a vapour barrier, making K-Rock ALU the preferred specification for plant rooms, district heating, steam lines, and high-temperature process pipework.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRock mineral wool construction — excellent high-temperature performance\u003c\/li\u003e\n\u003cli\u003eAluminium foil (ALU) facing — vapour barrier, professional finish, and UV resistance\u003c\/li\u003e\n\u003cli\u003eOutstanding fire resistance — Euroclass A1 non-combustible\u003c\/li\u003e\n\u003cli\u003eExcellent acoustic and thermal insulation properties\u003c\/li\u003e\n\u003cli\u003eRigid pre-formed sections for fast, accurate installation\u003c\/li\u003e\n\u003cli\u003eAvailable online in wall thicknesses from 20mm to 50mm\u003c\/li\u003e\n\u003cli\u003eBore sizes from 15mm to 273mm\u003c\/li\u003e\n\u003cli\u003eSupplied per 1 metre section\u003c\/li\u003e\n\u003cli\u003eCE certified — compliant with EN 14303\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-temperature HVAC pipework and plant rooms\u003c\/li\u003e\n\u003cli\u003eDistrict heating and steam distribution\u003c\/li\u003e\n\u003cli\u003eHot water and process pipework\u003c\/li\u003e\n\u003cli\u003eIndustrial installations requiring fire-rated insulation\u003c\/li\u003e\n\u003cli\u003eBuilding services where non-combustible insulation is specified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRock mineral wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium foil laminate (ALU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-200°C to +650°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.033 W\/(m·K) at 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReaction to fire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEuroclass A1 — non-combustible (EN 13501-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater vapour diffusion resistance (μ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 7,000 (ALU facing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSection length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver (ALU faced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Additional wall thicknesses available on request:\u003c\/strong\u003e Wall thicknesses of 60mm, 70mm, 80mm, 90mm, 100mm and 120mm are available. Please contact us at \u003ca href=\"mailto:sales@ryanairconspares.com\"\u003esales@ryanairconspares.com\u003c\/a\u003e for pricing and availability.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"20mm \/ 15mm","offer_id":57031914062201,"sku":"20015LR1080BARP","price":5.39,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 18mm","offer_id":57149378003321,"sku":"20018LR1080BARP","price":5.09,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 22mm","offer_id":57149378036089,"sku":"20022LR1080BARP","price":5.3,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 28mm","offer_id":57149378068857,"sku":"20028LR1080BARP","price":5.67,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 34mm","offer_id":57149378101625,"sku":"20034LR1080BARP","price":6.14,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 42mm","offer_id":57149378134393,"sku":"20042LR1080BARP","price":6.88,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 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Class O fire-rated closed-cell elastomeric foam, 2m lengths with self-seal adhesive seam. No adhesive required on straight runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK-FLEX ST Insulation Tape 50mm x 15m\u003c\/strong\u003e — self-adhesive vapour barrier tape for sealing all joints, fittings and cut ends. 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Wall","description":"\u003cp\u003e\u003cstrong\u003eK-FLEX ST Self-Seal insulation is the fastest way to insulate AC pipework — no adhesive required on the seam, clean finish every time.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✔ Self-seal — no adhesive needed on straight runs\u003c\/li\u003e\n\u003cli\u003e✔ Class O fire-rated insulation (Euroclass BL-s2, d0)\u003c\/li\u003e\n\u003cli\u003e✔ 2m lengths — fast installation on site\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Use Self-Seal Insulation?\u003c\/h3\u003e\u003cp\u003eSelf-seal insulation reduces installation time and eliminates adhesive on straight runs. This means faster installs, less mess on site, and consistent sealing across every job — especially valuable on larger or multi-unit installations where speed and finish quality matter.\u003c\/p\u003e\u003ch3\u003eAbout the 13mm Wall\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003e13mm wall thickness\u003c\/strong\u003e is the most widely specified for standard split system AC and domestic HVAC installations. It meets the thermal performance requirements for refrigerant pipework on most residential and light commercial jobs, and is the default choice for HVAC engineers across the UK.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefrigerant pipework on split system AC installations\u003c\/li\u003e\n\u003cli\u003eChilled water and cooling pipework\u003c\/li\u003e\n\u003cli\u003eDomestic and commercial HVAC systems\u003c\/li\u003e\n\u003cli\u003eAny application requiring fast, clean pipe insulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cp\u003eSelect pipe bore size to match your copper pipe OD, then choose wall thickness based on your application:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-self-seal-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces and short pipe runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13mm\u003c\/strong\u003e — standard AC installations (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-self-seal-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low temperature systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelf-seal adhesive closure — fast, clean installation without separate adhesive on straight runs\u003c\/li\u003e\n\u003cli\u003eClosed-cell elastomeric foam — prevents condensation and moisture ingress\u003c\/li\u003e\n\u003cli\u003eClass O fire rating — Euroclass BL-s2, d0\u003c\/li\u003e\n\u003cli\u003eThermal conductivity as low as 0.031 W\/(m·K)\u003c\/li\u003e\n\u003cli\u003eService temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eSupplied in 2m lengths\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Self-Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2m per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass O (Euroclass BL-s2, d0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.031 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-seal adhesive strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eEssential Accessories\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-FLEX ST Tape\u003c\/a\u003e — seal joints, fittings and cut ends for a complete insulation system\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-420 Adhesive\u003c\/a\u003e — for bends, tees and complex connections where self-seal is not sufficient\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComplete Your Installation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC Copper Pipe\u003c\/a\u003e — refrigerant-grade copper pipe for AC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/pipe-supports-fixings-hangers\"\u003ePipe Supports \u0026amp; Fixings\u003c\/a\u003e — clips and brackets for securing insulated pipework\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/trunking-ducting\"\u003eTrunking \u0026amp; Cable Management\u003c\/a\u003e — for neat routing of pipework and cables\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOrder K-FLEX ST Self-Seal 13mm pipe insulation today — available from UK stock with fast trade delivery.\u003c\/strong\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm \/ 13mm","offer_id":57269970829689,"sku":"13015215603","price":3.98,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 13mm","offer_id":57269970862457,"sku":"13020215603","price":4.82,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 13mm","offer_id":57269970895225,"sku":"13022215603","price":4.94,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 13mm","offer_id":57269970927993,"sku":"13028215603","price":5.92,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 13mm","offer_id":57269970960761,"sku":"13035215603","price":6.4,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 13mm","offer_id":57269970993529,"sku":"13042215603","price":7.58,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 13mm","offer_id":57269971026297,"sku":"13048215603","price":8.96,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 13mm","offer_id":57269971059065,"sku":"13054215603","price":10.4,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 13mm","offer_id":57269971091833,"sku":"13060215603","price":11.74,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 13mm","offer_id":57269971124601,"sku":"13067215603","price":14.36,"currency_code":"GBP","in_stock":true},{"title":"76mm \/ 13mm","offer_id":57269971157369,"sku":"13076215603","price":17.36,"currency_code":"GBP","in_stock":true},{"title":"89mm \/ 13mm","offer_id":57269971190137,"sku":"13089215603","price":22.22,"currency_code":"GBP","in_stock":true},{"title":"114mm \/ 13mm","offer_id":57269971222905,"sku":"13114215603","price":35.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Self-Seal-Tube-Insulation-for-Quick-Clean-Install-Ryan-Air-Conditioning-Spares-68116285358455_d0e1bbec-bada-4eaa-8b23-90a7da4ba813.webp?v=1778740332"},{"product_id":"k-flex-st-self-seal-9mm","title":"K-Flex ST Self-Seal Pipe Insulation 9mm Wall","description":"\u003cp\u003e\u003cstrong\u003eK-FLEX ST Self-Seal insulation is the fastest way to insulate AC pipework — no adhesive required on the seam, clean finish every time.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✔ Self-seal — no adhesive needed on straight runs\u003c\/li\u003e\n\u003cli\u003e✔ Class O fire-rated insulation (Euroclass BL-s2, d0)\u003c\/li\u003e\n\u003cli\u003e✔ 2m lengths — fast installation on site\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Use Self-Seal Insulation?\u003c\/h3\u003e\u003cp\u003eSelf-seal insulation reduces installation time and eliminates adhesive on straight runs. This means faster installs, less mess on site, and consistent sealing across every job — especially valuable on larger or multi-unit installations where speed and finish quality matter.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefrigerant pipework on split system AC installations\u003c\/li\u003e\n\u003cli\u003eChilled water and cooling pipework\u003c\/li\u003e\n\u003cli\u003eDomestic and commercial HVAC systems\u003c\/li\u003e\n\u003cli\u003eAny application requiring fast, clean pipe insulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Size\u003c\/h3\u003e\u003cp\u003eSelect pipe bore size to match your copper pipe OD, then choose wall thickness based on your application:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9mm\u003c\/strong\u003e — tight spaces and short pipe runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13mm\u003c\/strong\u003e — standard AC installations (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19mm\u003c\/strong\u003e — refrigeration and low temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm+\u003c\/strong\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eK-FLEX vs Armaflex\u003c\/h3\u003e\u003cp\u003eK-FLEX ST offers the same Class O fire-rated performance as Armaflex, with a faster self-seal installation system and excellent value for trade use — making it a popular alternative for HVAC engineers across the UK. For underground or external pipe runs where waterproof protection is required, see our \u003ca href=\"\/products\/armaflex-evo-tuffcoat-underground-pipe-insulation-class-o-1m\"\u003eArmaflex EVO Tuffcoat underground insulation\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelf-seal adhesive closure — fast, clean installation without separate adhesive on straight runs\u003c\/li\u003e\n\u003cli\u003eClosed-cell elastomeric foam — prevents condensation and moisture ingress\u003c\/li\u003e\n\u003cli\u003eClass O fire rating — Euroclass BL-s2, d0\u003c\/li\u003e\n\u003cli\u003eThermal conductivity as low as 0.031 W\/(m·K)\u003c\/li\u003e\n\u003cli\u003eService temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eSupplied in 2m lengths\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Self-Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2m per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass O (Euroclass BL-s2, d0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.031 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-seal adhesive strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eEssential Accessories\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-FLEX ST Tape\u003c\/a\u003e — seal joints, fittings and cut ends for a complete insulation system\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-420 Adhesive\u003c\/a\u003e — for bends, tees and complex connections where self-seal is not sufficient\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComplete Your Installation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC Copper Pipe\u003c\/a\u003e — refrigerant-grade copper pipe for AC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/pipe-supports-fixings-hangers\"\u003ePipe Supports \u0026amp; Fixings\u003c\/a\u003e — clips and brackets for securing insulated pipework\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/trunking-ducting\"\u003eTrunking \u0026amp; Cable Management\u003c\/a\u003e — for neat routing of pipework and cables\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/fittings-connectors\"\u003eFittings \u0026amp; Connectors\u003c\/a\u003e — refrigeration fittings for copper pipe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsed With\u003c\/h3\u003e\u003cp\u003eK-FLEX ST Self-Seal insulation is installed over \u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC copper pipe\u003c\/a\u003e after pressure testing and before final commissioning. Seal all joints and fittings with \u003ca href=\"\/collections\/installation-materials\"\u003eK-FLEX ST tape or K-420 adhesive\u003c\/a\u003e to complete the system. For underground or external runs, see \u003ca href=\"\/products\/armaflex-evo-tuffcoat-underground-pipe-insulation-class-o-1m\"\u003eArmaflex EVO Tuffcoat\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder K-FLEX ST Self-Seal pipe insulation today — available from UK stock with fast trade delivery.\u003c\/strong\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"22mm \/ 9mm","offer_id":57269971255673,"sku":"9022215603","price":3.78,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 9mm","offer_id":57269971288441,"sku":"9015215603","price":3.04,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 9mm","offer_id":57269971321209,"sku":"9028215603","price":4.2,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 9mm","offer_id":57269971353977,"sku":"9035215603","price":4.74,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 9mm","offer_id":57269971386745,"sku":"9042215603","price":5.5,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 9mm","offer_id":57269971419513,"sku":"9048215603","price":6.92,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 9mm","offer_id":57269971452281,"sku":"9054215603","price":7.92,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 9mm","offer_id":57269971485049,"sku":"9060215603","price":9.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Self-Seal-Tube-Insulation-for-Quick-Clean-Install-Ryan-Air-Conditioning-Spares-68116285358455_d0e1bbec-bada-4eaa-8b23-90a7da4ba813.webp?v=1778740332"},{"product_id":"k-flex-st-self-seal-19mm","title":"K-Flex ST Self-Seal Pipe Insulation 19mm Wall","description":"\u003cp\u003e\u003cstrong\u003eK-FLEX ST Self-Seal insulation is the fastest way to insulate AC pipework — no adhesive required on the seam, clean finish every time.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✔ Self-seal — no adhesive needed on straight runs\u003c\/li\u003e\n\u003cli\u003e✔ Class O fire-rated insulation (Euroclass BL-s2, d0)\u003c\/li\u003e\n\u003cli\u003e✔ 2m lengths — fast installation on site\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Use Self-Seal Insulation?\u003c\/h3\u003e\u003cp\u003eSelf-seal insulation reduces installation time and eliminates adhesive on straight runs. This means faster installs, less mess on site, and consistent sealing across every job — especially valuable on larger or multi-unit installations where speed and finish quality matter.\u003c\/p\u003e\u003ch3\u003eAbout the 19mm Wall\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003e19mm wall thickness\u003c\/strong\u003e is specified for refrigeration systems, low-temperature pipework, and commercial HVAC applications where greater thermal resistance is required to prevent condensation and heat gain. It is the correct choice where pipe surface temperatures drop significantly below ambient — particularly on suction lines and chilled water systems.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefrigeration suction lines and low-temperature pipework\u003c\/li\u003e\n\u003cli\u003eCommercial chilled water systems\u003c\/li\u003e\n\u003cli\u003eVRF and VRV system pipework\u003c\/li\u003e\n\u003cli\u003eAny application where 13mm wall is insufficient for condensation control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cp\u003eSelect pipe bore size to match your copper pipe OD, then choose wall thickness based on your application:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-self-seal-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces and short pipe runs\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-self-seal-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC installations (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19mm\u003c\/strong\u003e — refrigeration and low temperature systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelf-seal adhesive closure — fast, clean installation without separate adhesive on straight runs\u003c\/li\u003e\n\u003cli\u003eClosed-cell elastomeric foam — prevents condensation and moisture ingress\u003c\/li\u003e\n\u003cli\u003eClass O fire rating — Euroclass BL-s2, d0\u003c\/li\u003e\n\u003cli\u003eThermal conductivity as low as 0.031 W\/(m·K)\u003c\/li\u003e\n\u003cli\u003eService temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eSupplied in 2m lengths\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Self-Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2m per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass O (Euroclass BL-s2, d0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.031 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-seal adhesive strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eEssential Accessories\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-FLEX ST Tape\u003c\/a\u003e — seal joints, fittings and cut ends for a complete insulation system\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/installation-materials\"\u003eK-420 Adhesive\u003c\/a\u003e — for bends, tees and complex connections where self-seal is not sufficient\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComplete Your Installation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/copper-pipe-1\"\u003eAC Copper Pipe\u003c\/a\u003e — refrigerant-grade copper pipe for AC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/pipe-supports-fixings-hangers\"\u003ePipe Supports \u0026amp; Fixings\u003c\/a\u003e — clips and brackets for securing insulated pipework\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/trunking-ducting\"\u003eTrunking \u0026amp; Cable Management\u003c\/a\u003e — for neat routing of pipework and cables\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOrder K-FLEX ST Self-Seal 19mm pipe insulation today — available from UK stock with fast trade delivery.\u003c\/strong\u003e\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm \/ 19mm","offer_id":57269971517817,"sku":"19015215603","price":6.66,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 19mm","offer_id":57269971550585,"sku":"19022215603","price":8.14,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 19mm","offer_id":57269971583353,"sku":"19028215603","price":11.14,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 19mm","offer_id":57269971616121,"sku":"19035215603","price":12.96,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 19mm","offer_id":57269971648889,"sku":"19042215603","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 19mm","offer_id":57269971681657,"sku":"19048215603","price":17.34,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 19mm","offer_id":57269971714425,"sku":"19054215603","price":18.88,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 19mm","offer_id":57269971747193,"sku":"19060215603","price":21.6,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 19mm","offer_id":57269971779961,"sku":"19067215603","price":24.66,"currency_code":"GBP","in_stock":true},{"title":"76mm \/ 19mm","offer_id":57269971812729,"sku":"19076215603","price":26.92,"currency_code":"GBP","in_stock":true},{"title":"80mm \/ 19mm","offer_id":57269971845497,"sku":"19080215603","price":29.18,"currency_code":"GBP","in_stock":true},{"title":"89mm \/ 19mm","offer_id":57269971878265,"sku":"19089215603","price":31.16,"currency_code":"GBP","in_stock":true},{"title":"108mm \/ 19mm","offer_id":57269971911033,"sku":"19108215603","price":41.1,"currency_code":"GBP","in_stock":true},{"title":"114mm \/ 19mm","offer_id":57269971943801,"sku":"19114215603","price":43.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-Self-Seal-Tube-Insulation-for-Quick-Clean-Install-Ryan-Air-Conditioning-Spares-68116285358455_d0e1bbec-bada-4eaa-8b23-90a7da4ba813.webp?v=1778740332"},{"product_id":"k-flex-st-tube-19mm","title":"K-Flex ST Tube Pipe Insulation 19mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e19mm wall thickness\u003c\/strong\u003e is specified for refrigeration systems, low-temperature pipework, and commercial HVAC applications where greater thermal resistance is required to prevent condensation and heat gain. It is the correct choice where pipe surface temperatures drop significantly below ambient — particularly on suction lines, chilled water systems, and VRF pipework.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefrigeration suction lines and low-temperature pipework\u003c\/li\u003e\n\u003cli\u003eCommercial chilled water systems\u003c\/li\u003e\n\u003cli\u003eVRF and VRV system pipework\u003c\/li\u003e\n\u003cli\u003eAny application where 13mm wall is insufficient for condensation control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19mm\u003c\/strong\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-25mm-wall\"\u003e25mm\u003c\/a\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-32mm-wall\"\u003e32mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-40mm-wall\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-50mm-wall\"\u003e50mm\u003c\/a\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 (BS 476 Part 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.040 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to +105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"6mm","offer_id":57272996921721,"sku":"19006005508","price":5.28,"currency_code":"GBP","in_stock":true},{"title":"10mm","offer_id":57272996954489,"sku":"19010005508","price":5.33,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":57272996987257,"sku":"19012005508","price":5.46,"currency_code":"GBP","in_stock":true},{"title":"15mm","offer_id":57272997020025,"sku":"19015005508","price":5.73,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57272997052793,"sku":"19018005508","price":6.62,"currency_code":"GBP","in_stock":true},{"title":"20mm","offer_id":57272997085561,"sku":"19020005508","price":6.86,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57272997118329,"sku":"19022005508","price":6.9,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57272997151097,"sku":"19028005508","price":9.06,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57272997183865,"sku":"19035005508","price":11.08,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57272997216633,"sku":"19042005508","price":13.56,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57272997249401,"sku":"19048005508","price":15.2,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57272997282169,"sku":"19054005508","price":16.59,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57272997314937,"sku":"19060005508","price":18.79,"currency_code":"GBP","in_stock":true},{"title":"67mm","offer_id":57272997347705,"sku":"19067005508","price":20.32,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57272997380473,"sku":"19076005508","price":23.18,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":57272997413241,"sku":"19080005508","price":25.31,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57272997446009,"sku":"19089005508","price":27.8,"currency_code":"GBP","in_stock":true},{"title":"92mm","offer_id":57272997478777,"sku":"19092005508","price":30.32,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57272997511545,"sku":"19102005508","price":30.68,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57272997544313,"sku":"19108005508","price":32.15,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57272997577081,"sku":"19114005508","price":36.23,"currency_code":"GBP","in_stock":true},{"title":"133mm","offer_id":57272997609849,"sku":"19133005508","price":42.73,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57272997642617,"sku":"19140005508","price":46.91,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57272997675385,"sku":"19160005508","price":51.71,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57272997708153,"sku":"19170005508","price":62.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735.jpg?v=1777271005"},{"product_id":"k-flex-st-tube-13mm","title":"K-Flex ST Tube Pipe Insulation 13mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e13mm wall thickness\u003c\/strong\u003e is the most widely specified for standard split system AC and domestic HVAC installations. It meets the thermal performance requirements for refrigerant pipework on most residential and light commercial jobs, and is the default choice for HVAC engineers across the UK.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefrigerant pipework on split system AC installations\u003c\/li\u003e\n\u003cli\u003eChilled water and cooling pipework\u003c\/li\u003e\n\u003cli\u003eDomestic and light commercial HVAC systems\u003c\/li\u003e\n\u003cli\u003ePlumbing and heating pipework\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13mm\u003c\/strong\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-25mm-wall\"\u003e25mm\u003c\/a\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-32mm-wall\"\u003e32mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-40mm-wall\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-50mm-wall\"\u003e50mm\u003c\/a\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 (BS 476 Part 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.040 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to +105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"6mm","offer_id":57272996135289,"sku":"13006005508","price":2.92,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":57272996168057,"sku":"13012005508","price":3.43,"currency_code":"GBP","in_stock":true},{"title":"15mm","offer_id":57272996200825,"sku":"13015005508","price":3.49,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57272996233593,"sku":"13018005508","price":3.69,"currency_code":"GBP","in_stock":true},{"title":"20mm","offer_id":57272996266361,"sku":"13020005508","price":3.94,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57272996299129,"sku":"13022005508","price":4.15,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57272996331897,"sku":"13028005508","price":4.93,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57272996364665,"sku":"13035005508","price":5.53,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57272996397433,"sku":"13042005508","price":6.48,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57272996430201,"sku":"13048005508","price":7.93,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57272996462969,"sku":"13054005508","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57272996495737,"sku":"13060005508","price":10.46,"currency_code":"GBP","in_stock":true},{"title":"67mm","offer_id":57272996528505,"sku":"13067005508","price":13.13,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57272996561273,"sku":"13076005508","price":14.88,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":57272996594041,"sku":"13080005508","price":16.24,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57272996626809,"sku":"13089005508","price":18.3,"currency_code":"GBP","in_stock":true},{"title":"92mm","offer_id":57272996659577,"sku":"13092005508","price":19.15,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57272996692345,"sku":"13102005508","price":21.17,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57272996725113,"sku":"13108005508","price":22.34,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57272996757881,"sku":"13114005508","price":30.8,"currency_code":"GBP","in_stock":true},{"title":"133mm","offer_id":57272996790649,"sku":"13133005508","price":33.41,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57272996823417,"sku":"13140005508","price":33.8,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57272996856185,"sku":"13160005508","price":41.12,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57272996888953,"sku":"13170005508","price":49.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735.jpg?v=1777271005"},{"product_id":"k-flex-st-tube-9mm","title":"K-Flex ST Tube Pipe Insulation 9mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e9mm wall thickness\u003c\/strong\u003e is suited to installations where space is restricted or pipe runs are short — particularly on smaller-bore refrigerant lines, domestic AC systems, and applications where a slimmer insulation profile is required without compromising Class 1 fire performance.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDomestic split system AC refrigerant pipework\u003c\/li\u003e\n\u003cli\u003eSmall-bore chilled water and cooling pipework\u003c\/li\u003e\n\u003cli\u003ePlumbing and heating pipework in space-restricted installations\u003c\/li\u003e\n\u003cli\u003eApplications where a slim insulation profile is required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9mm\u003c\/strong\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-25mm-wall\"\u003e25mm\u003c\/a\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-32mm-wall\"\u003e32mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-40mm-wall\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-50mm-wall\"\u003e50mm\u003c\/a\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 (BS 476 Part 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.040 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to +105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"6mm","offer_id":57272997740921,"sku":"09006005508","price":2.22,"currency_code":"GBP","in_stock":true},{"title":"10mm","offer_id":57272997773689,"sku":"09010005508","price":2.46,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":57272997806457,"sku":"09012005508","price":2.49,"currency_code":"GBP","in_stock":true},{"title":"15mm","offer_id":57272997839225,"sku":"09015005508","price":2.58,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57272997871993,"sku":"09018005508","price":3.08,"currency_code":"GBP","in_stock":true},{"title":"20mm","offer_id":57272997904761,"sku":"09020005508","price":3.2,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57272997937529,"sku":"09022005508","price":3.21,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57272997970297,"sku":"09028005508","price":3.61,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57272998003065,"sku":"09035005508","price":3.9,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57272998035833,"sku":"09042005508","price":4.65,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57272998068601,"sku":"09048005508","price":5.68,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57272998101369,"sku":"09054005508","price":6.48,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57272998134137,"sku":"09060005508","price":7.52,"currency_code":"GBP","in_stock":true},{"title":"67mm","offer_id":57272998166905,"sku":"09067005508","price":8.65,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57272998199673,"sku":"09076005508","price":10.14,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57272998232441,"sku":"09089005508","price":12.56,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57272998265209,"sku":"09108005508","price":20.11,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57272998297977,"sku":"09114005508","price":21.02,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57272998330745,"sku":"09140005508","price":27.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735.jpg?v=1777271005"},{"product_id":"k-flex-st-tube-25mm","title":"K-Flex ST Tube Pipe Insulation 25mm Wall","description":"\u003cp\u003e\u003cstrong\u003eK-Flex ST Tube 25mm Wall\u003c\/strong\u003e is a flexible closed-cell elastomeric foam pipe insulation — also known as AC pipe lagging, refrigerant pipe insulation, or HVAC pipe wrap — manufactured by K-Flex in Italy to EN 14304 standards. The 25mm wall thickness is suited to commercial and high-specification HVAC applications where enhanced thermal resistance is required.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWall thickness: 25mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Closed-cell elastomeric foam (NBR\/PVC)\u003c\/li\u003e\n\u003cli\u003eThermal conductivity (λ): ≤ 0.040 W\/(m·K) at 0°C\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFire rating: Class 1 (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eStandard: EN 14304\u003c\/li\u003e\n\u003cli\u003eColour: Black\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Italy\u003c\/li\u003e\n\u003cli\u003eSold per metre length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable bore sizes:\u003c\/strong\u003e 12mm, 15mm, 18mm, 22mm, 28mm, 35mm, 42mm, 48mm, 54mm, 60mm, 67mm, 76mm, 89mm, 92mm, 108mm, 114mm, 133mm, 140mm, 160mm, 170mm\u003c\/p\u003e\n\u003ch3\u003eCompatible Systems\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial VRF\/VRV refrigerant pipework\u003c\/li\u003e\n\u003cli\u003eLarge-bore chilled water distribution pipework\u003c\/li\u003e\n\u003cli\u003eIndustrial refrigeration pipework\u003c\/li\u003e\n\u003cli\u003eHigh-specification HVAC installations requiring enhanced thermal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Brands:\u003c\/strong\u003e Suitable for use on Daikin, Mitsubishi Electric, Fujitsu, Panasonic, Samsung, LG, and all other VRF\/VRV and commercial AC systems using copper ACR pipework.\u003c\/p\u003e\n\u003ch3\u003eWhen to Use 25mm Wall Insulation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse where enhanced thermal resistance is required beyond standard 13mm or 19mm wall — typically commercial VRF systems, large chilled water distribution, or industrial refrigeration.\u003c\/li\u003e\n\u003cli\u003ePrevents condensation on suction lines and heat gain on liquid lines in high-ambient or long pipe run installations.\u003c\/li\u003e\n\u003cli\u003eThe built-in vapour barrier eliminates the need for additional vapour barrier tape on most applications.\u003c\/li\u003e\n\u003cli\u003eUV-resistant surface suitable for short exposed sections, though aluminium cladding is recommended for long-term external exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm\u003c\/strong\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-32mm-wall\"\u003e32mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-40mm-wall\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-50mm-wall\"\u003e50mm\u003c\/a\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eST vs PE — Which Insulation Do You Need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eK-Flex ST (this product)\u003c\/strong\u003e — closed-cell elastomeric rubber (NBR\/PVC). Superior vapour barrier, flexible, Class 1 fire rated. Preferred for refrigeration, AC, and chilled water where condensation control is critical.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-pe-polyethylene-pipe-insulation\"\u003e\u003cstrong\u003eK-Flex PE\u003c\/strong\u003e\u003c\/a\u003e — polyethylene foam. Lighter, lower cost, easier to cut. Suited to domestic heating, plumbing, and lower-specification HVAC, where vapour barrier performance is less critical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Bought With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-k-420-contact-adhesive-for-pipe-insulation-250ml\"\u003eK-Flex K-420 Contact Adhesive 250ml\u003c\/a\u003e — recommended adhesive for joining and sealing K-Flex ST insulation to maintain vapour barrier integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/50mm-self-adhesive-aluminium-foil-tape-for-hvac-duct-sealing-uk\"\u003e50mm Self-Adhesive Aluminium Foil Tape\u003c\/a\u003e — for sealing joints and protecting exposed external sections\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/75mm-premium-self-adhesive-aluminium-foil-tape-for-hvac-sealing-uk\"\u003e75mm Premium Aluminium Foil Tape\u003c\/a\u003e — for wider joint coverage on larger bore insulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFurther Reading\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/blogs\/hvac-tools-guide\/armaflex-vs-k-flex-pipe-insulation\"\u003eArmaflex vs K-Flex Pipe Insulation — Which Is Best for HVAC?\u003c\/a\u003e — a detailed comparison of the two leading elastomeric insulation brands to help you specify with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat wall thickness do I need for a VRF\/VRV system?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e25mm wall is recommended for VRF\/VRV long pipe runs and commercial systems where heat gain and condensation control are critical. For standard domestic split AC, \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm wall\u003c\/a\u003e is the most common specification.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs K-Flex ST suitable for outdoor use?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eK-Flex ST has a UV-resistant surface suitable for short exposed sections. For long-term external exposure, protect with aluminium foil tape or cladding. For fully external applications, K-Flex Solar is the recommended grade.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat bore size do I need for 3\/4\" copper ACR pipe?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e3\/4\" (19mm OD) copper ACR pipe requires 22mm bore insulation. Select the 22mm bore variant from the size selector above.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs K-Flex ST Class O rated?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eK-Flex ST carries Class 1 fire classification to BS 476 Part 7. For Class O (BS 476 Part 6 and 7 combined), specify K-Flex ST Class O grade — contact us for availability.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan K-Flex ST be used on chilled water pipework?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. K-Flex ST is suitable for chilled water systems operating within the stated temperature range. Ensure all joints are fully glued with \u003ca href=\"\/products\/k-flex-k-420-contact-adhesive-for-pipe-insulation-250ml\"\u003eK-420 adhesive\u003c\/a\u003e to maintain vapour barrier integrity.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"K-Flex","offers":[{"title":"12mm","offer_id":57273488834937,"sku":"25012005508","price":10.4,"currency_code":"GBP","in_stock":true},{"title":"15mm","offer_id":57273488867705,"sku":"25015005508","price":11.37,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57273488900473,"sku":"25018005508","price":11.66,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273488933241,"sku":"25022005508","price":12.24,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273488966009,"sku":"25028005508","price":14.01,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57273488998777,"sku":"25035005508","price":15.72,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273489031545,"sku":"25042005508","price":16.74,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273489064313,"sku":"25048005508","price":19.34,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273489097081,"sku":"25054005508","price":19.79,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273489129849,"sku":"25060005508","price":21.21,"currency_code":"GBP","in_stock":true},{"title":"67mm","offer_id":57273489162617,"sku":"25067005508","price":25.68,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273489195385,"sku":"25076005508","price":27.73,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273489228153,"sku":"25089005508","price":30.61,"currency_code":"GBP","in_stock":true},{"title":"92mm","offer_id":57273489260921,"sku":"25092005508","price":33.06,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273489293689,"sku":"25108005508","price":35.83,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273489326457,"sku":"25114005508","price":37.11,"currency_code":"GBP","in_stock":true},{"title":"133mm","offer_id":57273489359225,"sku":"25133005508","price":39.12,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273489391993,"sku":"25140005508","price":42.09,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57273489424761,"sku":"25160005508","price":48.1,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57273489457529,"sku":"25170005508","price":52.07,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735_26a061d3-6a02-47b9-ad35-2732ec2b6d5c.jpg?v=1778759141"},{"product_id":"k-flex-st-tube-40mm","title":"K-Flex ST Tube Pipe Insulation 40mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e40mm wall thickness\u003c\/strong\u003e is the heaviest standard elastomeric specification in the K-Flex ST range, designed for the most demanding industrial refrigeration, process pipework, and large-bore chilled water applications where maximum thermal resistance is critical and heat gain must be minimised across long pipe runs.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIndustrial refrigeration plant and cold store pipework\u003c\/li\u003e\n\u003cli\u003eLarge-bore chilled water mains\u003c\/li\u003e\n\u003cli\u003eProcess pipework with extreme temperature differentials\u003c\/li\u003e\n\u003cli\u003eHigh-specification industrial HVAC installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-25mm-wall\"\u003e25mm\u003c\/a\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-32mm-wall\"\u003e32mm\u003c\/a\u003e | \u003cstrong\u003e40mm\u003c\/strong\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-50mm-wall\"\u003e50mm\u003c\/a\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 (BS 476 Part 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.040 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to +105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273488277881,"sku":"40015005508","price":54.35,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273488310649,"sku":"40022005508","price":57.0,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273488343417,"sku":"40028005508","price":59.14,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57273488376185,"sku":"40035005508","price":61.11,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273488408953,"sku":"40042005508","price":62.8,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273488441721,"sku":"40048005508","price":69.13,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273488474489,"sku":"40054005508","price":75.41,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273488507257,"sku":"40060005508","price":83.21,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273488540025,"sku":"40076005508","price":91.58,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":57273488572793,"sku":"40080005508","price":95.77,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273488605561,"sku":"40089005508","price":107.56,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273488638329,"sku":"40102005508","price":114.29,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273488671097,"sku":"40108005508","price":118.49,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273488703865,"sku":"40114005508","price":125.14,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273488736633,"sku":"40140005508","price":186.45,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57273488769401,"sku":"40160005508","price":195.16,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57273488802169,"sku":"40170005508","price":206.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735_26a061d3-6a02-47b9-ad35-2732ec2b6d5c.jpg?v=1778759141"},{"product_id":"k-flex-st-tube-6mm","title":"K-Flex ST Tube Pipe Insulation 6mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eSuitable for pipe diameters from 6mm to 170mm with wall thicknesses from 6mm to 40mm. Select your wall thickness and internal diameter from the variant options above.\u003c\/p\u003e\u003ch3\u003eKey properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit — slit or unslit available\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"6mm","offer_id":57273487393145,"sku":"06006005508","price":1.92,"currency_code":"GBP","in_stock":true},{"title":"10mm","offer_id":57273487425913,"sku":"06010005508","price":2.06,"currency_code":"GBP","in_stock":true},{"title":"12mm","offer_id":57273487458681,"sku":"06012005508","price":2.29,"currency_code":"GBP","in_stock":true},{"title":"15mm","offer_id":57273487491449,"sku":"06015005508","price":2.44,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57273487524217,"sku":"06018005508","price":2.54,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273487556985,"sku":"06022005508","price":2.77,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273487589753,"sku":"06028005508","price":3.63,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57273487622521,"sku":"06035005508","price":4.08,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273487655289,"sku":"06042005508","price":4.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735_26a061d3-6a02-47b9-ad35-2732ec2b6d5c.jpg?v=1778759141"},{"product_id":"k-flex-st-tube-32mm","title":"K-Flex ST Tube Pipe Insulation 32mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e32mm wall thickness\u003c\/strong\u003e is a heavy-duty specification for industrial refrigeration, large commercial chilled water systems, and process pipework where maximum thermal resistance and condensation control are required across a wide bore range.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIndustrial refrigeration pipework\u003c\/li\u003e\n\u003cli\u003eLarge commercial chilled water systems\u003c\/li\u003e\n\u003cli\u003eProcess pipework requiring maximum thermal resistance\u003c\/li\u003e\n\u003cli\u003eHigh-specification HVAC plant room installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-25mm-wall\"\u003e25mm\u003c\/a\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32mm\u003c\/strong\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-40mm-wall\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-50mm-wall\"\u003e50mm\u003c\/a\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 (BS 476 Part 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.040 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to +105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273487688057,"sku":"32015005508","price":15.96,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273487720825,"sku":"32022005508","price":17.65,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273487753593,"sku":"32028005508","price":20.54,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57273487786361,"sku":"32035005508","price":21.31,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273487819129,"sku":"32042005508","price":24.67,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273487851897,"sku":"32048005508","price":27.37,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273487884665,"sku":"32054005508","price":30.38,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273487917433,"sku":"32060005508","price":37.64,"currency_code":"GBP","in_stock":true},{"title":"67mm","offer_id":57273487950201,"sku":"32067005508","price":44.03,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273487982969,"sku":"32076005508","price":51.02,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":57273488015737,"sku":"32080005508","price":53.89,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273488048505,"sku":"32089005508","price":54.68,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273488081273,"sku":"32102005508","price":56.24,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273488114041,"sku":"32108005508","price":57.56,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273488146809,"sku":"32114005508","price":57.91,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273488179577,"sku":"32140005508","price":72.94,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57273488212345,"sku":"32160005508","price":80.43,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57273488245113,"sku":"32170005508","price":86.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735_26a061d3-6a02-47b9-ad35-2732ec2b6d5c.jpg?v=1778759141"},{"product_id":"k-flex-st-tube-50mm","title":"K-Flex ST Tube Pipe Insulation 50mm Wall","description":"\u003cp\u003eK-Flex ST is a flexible closed-cell elastomeric foam tube designed for thermal insulation of refrigeration, air conditioning, chilled water, and plumbing pipework. Manufactured by K-Flex in Italy to EN 14304 standards.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e50mm wall thickness\u003c\/strong\u003e is the maximum standard elastomeric specification in the K-Flex ST range, designed for the most extreme industrial refrigeration and process pipework applications where very low pipe temperatures, long run lengths, or stringent energy efficiency requirements demand the highest level of thermal resistance available in a flexible elastomeric tube.\u003c\/p\u003e\u003ch3\u003eWhere This Is Used\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtreme low-temperature industrial refrigeration pipework\u003c\/li\u003e\n\u003cli\u003eLarge-bore chilled water mains with high heat gain risk\u003c\/li\u003e\n\u003cli\u003eProcess pipework with very low operating temperatures\u003c\/li\u003e\n\u003cli\u003eEnergy-critical industrial HVAC installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing the Right Wall Thickness\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-9mm-wall\"\u003e9mm\u003c\/a\u003e — tight spaces, short runs, domestic AC\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-13mm-wall\"\u003e13mm\u003c\/a\u003e — standard AC and HVAC (most common)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-19mm-wall\"\u003e19mm\u003c\/a\u003e — refrigeration and low-temperature systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-25mm-wall\"\u003e25mm\u003c\/a\u003e — commercial and high-specification applications\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-32mm-wall\"\u003e32mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-st-tube-pipe-insulation-40mm-wall\"\u003e40mm\u003c\/a\u003e | \u003cstrong\u003e50mm\u003c\/strong\u003e — industrial and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Properties\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClosed-cell NBR\/PVC foam — low thermal conductivity (λ ≤ 0.040 W\/mK at 0°C)\u003c\/li\u003e\n\u003cli\u003eBuilt-in vapour barrier — no additional vapour barrier required\u003c\/li\u003e\n\u003cli\u003eSelf-extinguishing — Class 1 fire rated (BS 476 Part 7)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to fit\u003c\/li\u003e\n\u003cli\u003eUV resistant surface for exposed installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX ST Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClosed-cell elastomeric foam (NBR\/PVC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFire Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 (BS 476 Part 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.040 W\/(m·K) at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to +105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eSold per metre length. UK stock — available for same day dispatch.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273489621369,"sku":"50015005508","price":107.0,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273489654137,"sku":"50022005508","price":110.03,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273489686905,"sku":"50028005508","price":115.5,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":57273489719673,"sku":"50035005508","price":118.93,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273489752441,"sku":"50042005508","price":121.13,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273489785209,"sku":"50048005508","price":124.76,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273489817977,"sku":"50054005508","price":127.19,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273489850745,"sku":"50060005508","price":129.86,"currency_code":"GBP","in_stock":true},{"title":"67mm","offer_id":57273489883513,"sku":"50067005508","price":131.84,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273489916281,"sku":"50076005508","price":152.38,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":57273489949049,"sku":"50080005508","price":154.42,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273489981817,"sku":"50089005508","price":161.32,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273490014585,"sku":"50102005508","price":171.41,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273490047353,"sku":"50108005508","price":177.86,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273490080121,"sku":"50114005508","price":187.79,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273490112889,"sku":"50140005508","price":279.57,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57273490145657,"sku":"50160005508","price":292.69,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57273490178425,"sku":"50170005508","price":309.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-ST-Elastomeric-Tube-Ryan-Air-Conditioning-Spares-68794081935735_26a061d3-6a02-47b9-ad35-2732ec2b6d5c.jpg?v=1778759141"},{"product_id":"k-flex-k-rock-alu-40mm","title":"K-Flex K-Rock ALU Mineral Wool Pipe Insulation 40mm Wall","description":"\u003ch2\u003eK-Flex K-Rock ALU Mineral Wool Pipe Insulation — 40mm Wall\u003c\/h2\u003e\u003cp\u003eK-FLEX K-Rock ALU is a pre-formed mineral wool (rock wool) pipe section with an aluminium foil facing, manufactured to the highest European standards. Engineered for high-temperature HVAC, industrial, and building services pipework where elastomeric insulation is unsuitable, K-Rock ALU delivers outstanding thermal performance, fire resistance, and mechanical durability in demanding environments.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e40mm wall thickness\u003c\/strong\u003e is suited to larger-bore and higher-temperature pipework in industrial plant rooms, district heating mains, steam distribution, and process pipework where maximum thermal resistance and Euroclass A1 fire performance are required. Available in bore sizes from 15mm to 273mm.\u003c\/p\u003e\u003cp\u003eThe factory-applied aluminium foil laminate provides a clean, professional finish and acts as a vapour barrier, making K-Rock ALU the preferred specification for plant rooms, district heating, steam lines, and high-temperature process pipework. Seal all joints and longitudinal seams with aluminium foil tape for a complete vapour-tight installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRock mineral wool construction — excellent high-temperature performance\u003c\/li\u003e\n\u003cli\u003eAluminium foil (ALU) facing — vapour barrier, professional finish, and UV resistance\u003c\/li\u003e\n\u003cli\u003eOutstanding fire resistance — Euroclass A1 non-combustible\u003c\/li\u003e\n\u003cli\u003eExcellent acoustic and thermal insulation properties\u003c\/li\u003e\n\u003cli\u003eRigid pre-formed sections for fast, accurate installation\u003c\/li\u003e\n\u003cli\u003e40mm wall — 15mm to 273mm bore sizes available\u003c\/li\u003e\n\u003cli\u003eSupplied per 1 metre section\u003c\/li\u003e\n\u003cli\u003eCE certified — compliant with EN 14303\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-temperature HVAC pipework and plant rooms\u003c\/li\u003e\n\u003cli\u003eDistrict heating and steam distribution\u003c\/li\u003e\n\u003cli\u003eHot water and process pipework\u003c\/li\u003e\n\u003cli\u003eIndustrial installations requiring fire-rated insulation\u003c\/li\u003e\n\u003cli\u003eBuilding services where non-combustible insulation is specified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRock mineral wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium foil laminate (ALU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore sizes available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mm to 273mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-200°C to +650°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.033 W\/(m·K) at 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReaction to fire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEuroclass A1 — non-combustible (EN 13501-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater vapour diffusion resistance (μ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 7,000 (ALU facing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSection length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver (ALU faced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOther wall thicknesses:\u003c\/strong\u003e \u003ca href=\"\/products\/k-flex-k-rock-alu-20mm\"\u003e20mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-25mm\"\u003e25mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-30mm\"\u003e30mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-50mm\"\u003e50mm\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Additional wall thicknesses available on request:\u003c\/strong\u003e 60mm, 70mm, 80mm, 90mm, 100mm and 120mm. Please contact us at \u003ca href=\"mailto:sales@ryanairconspares.com\"\u003esales@ryanairconspares.com\u003c\/a\u003e for pricing and availability.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273678135673,"sku":"40015LR1080BARP","price":8.67,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57273678168441,"sku":"40018LR1080BARP","price":9.82,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273678201209,"sku":"40022LR1080BARP","price":10.5,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273678233977,"sku":"40028LR1080BARP","price":11.29,"currency_code":"GBP","in_stock":true},{"title":"34mm","offer_id":57273678266745,"sku":"40034LR1080BARP","price":12.21,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273678299513,"sku":"40042LR1080BARP","price":13.13,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273678332281,"sku":"40048LR1080BARP","price":13.97,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273678365049,"sku":"40054LR1080BARP","price":15.12,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273678397817,"sku":"40060LR1080BARP","price":17.44,"currency_code":"GBP","in_stock":true},{"title":"64mm","offer_id":57273678430585,"sku":"40064LR1080BARP","price":17.96,"currency_code":"GBP","in_stock":true},{"title":"70mm","offer_id":57273678463353,"sku":"40070LR1080BARP","price":18.88,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273678496121,"sku":"40076LR1080BARP","price":20.93,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273678528889,"sku":"40089LR1080BARP","price":24.47,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273678561657,"sku":"40102LR1080BARP","price":26.65,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273678594425,"sku":"40108LR1080BARP","price":27.73,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273678627193,"sku":"40114LR1080BARP","price":28.83,"currency_code":"GBP","in_stock":true},{"title":"133mm","offer_id":57273678659961,"sku":"40133LR1080BARP","price":41.28,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273678692729,"sku":"40140LR1080BARP","price":42.72,"currency_code":"GBP","in_stock":true},{"title":"159mm","offer_id":57273678725497,"sku":"40159LR1080BARP","price":64.39,"currency_code":"GBP","in_stock":true},{"title":"168mm","offer_id":57273678758265,"sku":"40168LR1080BARP","price":66.46,"currency_code":"GBP","in_stock":true},{"title":"219mm","offer_id":57273678791033,"sku":"40219LR1080BARP","price":79.62,"currency_code":"GBP","in_stock":true},{"title":"273mm","offer_id":57273678823801,"sku":"40273LR1080BARP","price":99.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-K-Rock-ALU-Mineral-Wool-Pipe-Insulation-Ryan-Air-Conditioning-Spares-68791865377143_b3b67377-e713-4c83-b3b3-6e601b88e415.png?v=1778762499"},{"product_id":"k-flex-k-rock-alu-20mm","title":"K-Flex K-Rock ALU Mineral Wool Pipe Insulation 20mm Wall","description":"\u003ch2\u003eK-Flex K-Rock ALU Mineral Wool Pipe Insulation — 20mm Wall\u003c\/h2\u003e\u003cp\u003eK-FLEX K-Rock ALU is a pre-formed mineral wool (rock wool) pipe section with an aluminium foil facing, manufactured to the highest European standards. Engineered for high-temperature HVAC, industrial, and building services pipework where elastomeric insulation is unsuitable, K-Rock ALU delivers outstanding thermal performance, fire resistance, and mechanical durability in demanding environments.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e20mm wall thickness\u003c\/strong\u003e is the entry-level specification in the K-Rock ALU range, suited to smaller-bore pipework in commercial HVAC, hot water, and building services installations where non-combustible insulation is required. Available in bore sizes from 15mm to 114mm.\u003c\/p\u003e\u003cp\u003eThe factory-applied aluminium foil laminate provides a clean, professional finish and acts as a vapour barrier, making K-Rock ALU the preferred specification for plant rooms, district heating, steam lines, and high-temperature process pipework. Seal all joints and longitudinal seams with aluminium foil tape for a complete vapour-tight installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRock mineral wool construction — excellent high-temperature performance\u003c\/li\u003e\n\u003cli\u003eAluminium foil (ALU) facing — vapour barrier, professional finish, and UV resistance\u003c\/li\u003e\n\u003cli\u003eOutstanding fire resistance — Euroclass A1 non-combustible\u003c\/li\u003e\n\u003cli\u003eExcellent acoustic and thermal insulation properties\u003c\/li\u003e\n\u003cli\u003eRigid pre-formed sections for fast, accurate installation\u003c\/li\u003e\n\u003cli\u003e20mm wall — 15mm to 114mm bore sizes available\u003c\/li\u003e\n\u003cli\u003eSupplied per 1 metre section\u003c\/li\u003e\n\u003cli\u003eCE certified — compliant with EN 14303\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-temperature HVAC pipework and plant rooms\u003c\/li\u003e\n\u003cli\u003eDistrict heating and steam distribution\u003c\/li\u003e\n\u003cli\u003eHot water and process pipework\u003c\/li\u003e\n\u003cli\u003eIndustrial installations requiring fire-rated insulation\u003c\/li\u003e\n\u003cli\u003eBuilding services where non-combustible insulation is specified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRock mineral wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium foil laminate (ALU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore sizes available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mm to 114mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-200°C to +650°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.033 W\/(m·K) at 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReaction to fire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEuroclass A1 — non-combustible (EN 13501-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater vapour diffusion resistance (μ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 7,000 (ALU facing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSection length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver (ALU faced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOther wall thicknesses:\u003c\/strong\u003e \u003ca href=\"\/products\/k-flex-k-rock-alu-25mm\"\u003e25mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-30mm\"\u003e30mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-40mm\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-50mm\"\u003e50mm\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Additional wall thicknesses available on request:\u003c\/strong\u003e 60mm, 70mm, 80mm, 90mm, 100mm and 120mm. Please contact us at \u003ca href=\"mailto:sales@ryanairconspares.com\"\u003esales@ryanairconspares.com\u003c\/a\u003e for pricing and availability.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273678856569,"sku":"20015LR1080BARP","price":5.39,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57273678889337,"sku":"20018LR1080BARP","price":5.09,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273678922105,"sku":"20022LR1080BARP","price":5.3,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273678954873,"sku":"20028LR1080BARP","price":5.67,"currency_code":"GBP","in_stock":true},{"title":"34mm","offer_id":57273678987641,"sku":"20034LR1080BARP","price":6.14,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273679020409,"sku":"20042LR1080BARP","price":6.88,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273679053177,"sku":"20048LR1080BARP","price":7.25,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273679085945,"sku":"20054LR1080BARP","price":7.82,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273679118713,"sku":"20060LR1080BARP","price":8.3,"currency_code":"GBP","in_stock":true},{"title":"64mm","offer_id":57273679151481,"sku":"20064LR1080BARP","price":9.98,"currency_code":"GBP","in_stock":true},{"title":"70mm","offer_id":57273679184249,"sku":"20070LR1080BARP","price":10.61,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273679217017,"sku":"20076LR1080BARP","price":12.47,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273679249785,"sku":"20089LR1080BARP","price":14.18,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273679282553,"sku":"20102LR1080BARP","price":17.88,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273679315321,"sku":"20108LR1080BARP","price":18.8,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273679348089,"sku":"20114LR1080BARP","price":20.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-K-Rock-ALU-Mineral-Wool-Pipe-Insulation-Ryan-Air-Conditioning-Spares-68791865377143_b3b67377-e713-4c83-b3b3-6e601b88e415.png?v=1778762499"},{"product_id":"k-flex-k-rock-alu-30mm","title":"K-Flex K-Rock ALU Mineral Wool Pipe Insulation 30mm Wall","description":"\u003ch2\u003eK-Flex K-Rock ALU Mineral Wool Pipe Insulation — 30mm Wall\u003c\/h2\u003e\u003cp\u003eK-FLEX K-Rock ALU is a pre-formed mineral wool (rock wool) pipe section with an aluminium foil facing, manufactured to the highest European standards. Engineered for high-temperature HVAC, industrial, and building services pipework where elastomeric insulation is unsuitable, K-Rock ALU delivers outstanding thermal performance, fire resistance, and mechanical durability in demanding environments.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e30mm wall thickness\u003c\/strong\u003e is a popular mid-range specification suited to a wide bore range in plant rooms, district heating, steam lines, and commercial HVAC installations where robust thermal performance and Euroclass A1 fire resistance are required. Available in bore sizes from 15mm to 273mm — the widest bore range in the K-Rock ALU range.\u003c\/p\u003e\u003cp\u003eThe factory-applied aluminium foil laminate provides a clean, professional finish and acts as a vapour barrier, making K-Rock ALU the preferred specification for plant rooms, district heating, steam lines, and high-temperature process pipework. Seal all joints and longitudinal seams with aluminium foil tape for a complete vapour-tight installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRock mineral wool construction — excellent high-temperature performance\u003c\/li\u003e\n\u003cli\u003eAluminium foil (ALU) facing — vapour barrier, professional finish, and UV resistance\u003c\/li\u003e\n\u003cli\u003eOutstanding fire resistance — Euroclass A1 non-combustible\u003c\/li\u003e\n\u003cli\u003eExcellent acoustic and thermal insulation properties\u003c\/li\u003e\n\u003cli\u003eRigid pre-formed sections for fast, accurate installation\u003c\/li\u003e\n\u003cli\u003e30mm wall — 15mm to 273mm bore sizes available\u003c\/li\u003e\n\u003cli\u003eSupplied per 1 metre section\u003c\/li\u003e\n\u003cli\u003eCE certified — compliant with EN 14303\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-temperature HVAC pipework and plant rooms\u003c\/li\u003e\n\u003cli\u003eDistrict heating and steam distribution\u003c\/li\u003e\n\u003cli\u003eHot water and process pipework\u003c\/li\u003e\n\u003cli\u003eIndustrial installations requiring fire-rated insulation\u003c\/li\u003e\n\u003cli\u003eBuilding services where non-combustible insulation is specified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRock mineral wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium foil laminate (ALU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore sizes available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mm to 273mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-200°C to +650°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.033 W\/(m·K) at 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReaction to fire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEuroclass A1 — non-combustible (EN 13501-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater vapour diffusion resistance (μ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 7,000 (ALU facing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSection length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver (ALU faced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOther wall thicknesses:\u003c\/strong\u003e \u003ca href=\"\/products\/k-flex-k-rock-alu-20mm\"\u003e20mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-25mm\"\u003e25mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-40mm\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-50mm\"\u003e50mm\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Additional wall thicknesses available on request:\u003c\/strong\u003e 60mm, 70mm, 80mm, 90mm, 100mm and 120mm. Please contact us at \u003ca href=\"mailto:sales@ryanairconspares.com\"\u003esales@ryanairconspares.com\u003c\/a\u003e for pricing and availability.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273679380857,"sku":"30015LR1080BARP","price":7.54,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57273679413625,"sku":"30018LR1080BARP","price":7.96,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273679446393,"sku":"30022LR1080BARP","price":8.61,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273679479161,"sku":"30028LR1080BARP","price":9.74,"currency_code":"GBP","in_stock":true},{"title":"34mm","offer_id":57273679511929,"sku":"30034LR1080BARP","price":10.35,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273679544697,"sku":"30042LR1080BARP","price":11.24,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273679577465,"sku":"30048LR1080BARP","price":12.05,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273679610233,"sku":"30054LR1080BARP","price":13.13,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273679643001,"sku":"30060LR1080BARP","price":13.58,"currency_code":"GBP","in_stock":true},{"title":"64mm","offer_id":57273679675769,"sku":"30064LR1080BARP","price":13.97,"currency_code":"GBP","in_stock":true},{"title":"70mm","offer_id":57273679708537,"sku":"30070LR1080BARP","price":14.91,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273679741305,"sku":"30076LR1080BARP","price":16.6,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273679774073,"sku":"30089LR1080BARP","price":18.49,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273679806841,"sku":"30102LR1080BARP","price":21.61,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273679839609,"sku":"30108LR1080BARP","price":24.32,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273679872377,"sku":"30114LR1080BARP","price":25.29,"currency_code":"GBP","in_stock":true},{"title":"133mm","offer_id":57273679905145,"sku":"30133LR1080BARP","price":29.62,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273679937913,"sku":"30140LR1080BARP","price":31.06,"currency_code":"GBP","in_stock":true},{"title":"159mm","offer_id":57273679970681,"sku":"30159LR1080BARP","price":43.54,"currency_code":"GBP","in_stock":true},{"title":"168mm","offer_id":57273680003449,"sku":"30168LR1080BARP","price":45.61,"currency_code":"GBP","in_stock":true},{"title":"219mm","offer_id":57273680036217,"sku":"30219LR1080BARP","price":75.62,"currency_code":"GBP","in_stock":true},{"title":"273mm","offer_id":57273680068985,"sku":"30273LR1080BARP","price":92.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-K-Rock-ALU-Mineral-Wool-Pipe-Insulation-Ryan-Air-Conditioning-Spares-68791865377143_b3b67377-e713-4c83-b3b3-6e601b88e415.png?v=1778762499"},{"product_id":"k-flex-k-rock-alu-25mm","title":"K-Flex K-Rock ALU Mineral Wool Pipe Insulation 25mm Wall","description":"\u003ch2\u003eK-Flex K-Rock ALU Mineral Wool Pipe Insulation — 25mm Wall\u003c\/h2\u003e\u003cp\u003eK-FLEX K-Rock ALU is a pre-formed mineral wool (rock wool) pipe section with an aluminium foil facing, manufactured to the highest European standards. Engineered for high-temperature HVAC, industrial, and building services pipework where elastomeric insulation is unsuitable, K-Rock ALU delivers outstanding thermal performance, fire resistance, and mechanical durability in demanding environments.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e25mm wall thickness\u003c\/strong\u003e is the mid-range specification, suited to medium-bore pipework in plant rooms, district heating, commercial HVAC, and hot water installations where enhanced thermal performance and fire resistance are required beyond the 20mm option. Available in bore sizes from 15mm to 245mm.\u003c\/p\u003e\u003cp\u003eThe factory-applied aluminium foil laminate provides a clean, professional finish and acts as a vapour barrier, making K-Rock ALU the preferred specification for plant rooms, district heating, steam lines, and high-temperature process pipework. Seal all joints and longitudinal seams with aluminium foil tape for a complete vapour-tight installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRock mineral wool construction — excellent high-temperature performance\u003c\/li\u003e\n\u003cli\u003eAluminium foil (ALU) facing — vapour barrier, professional finish, and UV resistance\u003c\/li\u003e\n\u003cli\u003eOutstanding fire resistance — Euroclass A1 non-combustible\u003c\/li\u003e\n\u003cli\u003eExcellent acoustic and thermal insulation properties\u003c\/li\u003e\n\u003cli\u003eRigid pre-formed sections for fast, accurate installation\u003c\/li\u003e\n\u003cli\u003e25mm wall — 15mm to 245mm bore sizes available\u003c\/li\u003e\n\u003cli\u003eSupplied per 1 metre section\u003c\/li\u003e\n\u003cli\u003eCE certified — compliant with EN 14303\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-temperature HVAC pipework and plant rooms\u003c\/li\u003e\n\u003cli\u003eDistrict heating and steam distribution\u003c\/li\u003e\n\u003cli\u003eHot water and process pipework\u003c\/li\u003e\n\u003cli\u003eIndustrial installations requiring fire-rated insulation\u003c\/li\u003e\n\u003cli\u003eBuilding services where non-combustible insulation is specified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRock mineral wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium foil laminate (ALU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore sizes available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mm to 245mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-200°C to +650°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.033 W\/(m·K) at 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReaction to fire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEuroclass A1 — non-combustible (EN 13501-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater vapour diffusion resistance (μ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 7,000 (ALU facing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSection length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver (ALU faced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOther wall thicknesses:\u003c\/strong\u003e \u003ca href=\"\/products\/k-flex-k-rock-alu-20mm\"\u003e20mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-30mm\"\u003e30mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-40mm\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-50mm\"\u003e50mm\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Additional wall thicknesses available on request:\u003c\/strong\u003e 60mm, 70mm, 80mm, 90mm, 100mm and 120mm. Please contact us at \u003ca href=\"mailto:sales@ryanairconspares.com\"\u003esales@ryanairconspares.com\u003c\/a\u003e for pricing and availability.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"15mm","offer_id":57273680134521,"sku":"25015LR1080BARP","price":5.72,"currency_code":"GBP","in_stock":true},{"title":"18mm","offer_id":57273680167289,"sku":"25018LR1080BARP","price":6.56,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273680200057,"sku":"25022LR1080BARP","price":5.44,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273680232825,"sku":"25028LR1080BARP","price":6.49,"currency_code":"GBP","in_stock":true},{"title":"34mm","offer_id":57273680265593,"sku":"25034LR1080BARP","price":7.04,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273680298361,"sku":"25042LR1080BARP","price":7.51,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273680331129,"sku":"25048LR1080BARP","price":8.4,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273680363897,"sku":"25054LR1080BARP","price":9.03,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273680396665,"sku":"25060LR1080BARP","price":9.66,"currency_code":"GBP","in_stock":true},{"title":"64mm","offer_id":57273680429433,"sku":"25064LR1080BARP","price":13.6,"currency_code":"GBP","in_stock":true},{"title":"70mm","offer_id":57273680462201,"sku":"25070LR1080BARP","price":14.42,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273680494969,"sku":"25076LR1080BARP","price":12.97,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273680527737,"sku":"25089LR1080BARP","price":13.13,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273680560505,"sku":"25102LR1080BARP","price":22.19,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273680593273,"sku":"25108LR1080BARP","price":14.7,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273680626041,"sku":"25114LR1080BARP","price":15.75,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273680658809,"sku":"25140LR1080BARP","price":18.38,"currency_code":"GBP","in_stock":true},{"title":"168mm","offer_id":57273680691577,"sku":"25168LR1080BARP","price":21.21,"currency_code":"GBP","in_stock":true},{"title":"245mm","offer_id":57273680724345,"sku":"25245LR1080BARP","price":86.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-K-Rock-ALU-Mineral-Wool-Pipe-Insulation-Ryan-Air-Conditioning-Spares-68791865377143_b3b67377-e713-4c83-b3b3-6e601b88e415.png?v=1778762499"},{"product_id":"k-flex-k-rock-alu-50mm","title":"K-Flex K-Rock ALU Mineral Wool Pipe Insulation 50mm Wall","description":"\u003ch2\u003eK-Flex K-Rock ALU Mineral Wool Pipe Insulation — 50mm Wall\u003c\/h2\u003e\u003cp\u003eK-FLEX K-Rock ALU is a pre-formed mineral wool (rock wool) pipe section with an aluminium foil facing, manufactured to the highest European standards. Engineered for high-temperature HVAC, industrial, and building services pipework where elastomeric insulation is unsuitable, K-Rock ALU delivers outstanding thermal performance, fire resistance, and mechanical durability in demanding environments.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e50mm wall thickness\u003c\/strong\u003e is the heaviest standard specification in the K-Rock ALU range, designed for the most demanding high-temperature industrial applications — steam mains, district heating distribution, and large-bore process pipework where maximum thermal resistance is critical. Available in bore sizes from 18mm to 273mm.\u003c\/p\u003e\u003cp\u003eThe factory-applied aluminium foil laminate provides a clean, professional finish and acts as a vapour barrier, making K-Rock ALU the preferred specification for plant rooms, district heating, steam lines, and high-temperature process pipework. Seal all joints and longitudinal seams with aluminium foil tape for a complete vapour-tight installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRock mineral wool construction — excellent high-temperature performance\u003c\/li\u003e\n\u003cli\u003eAluminium foil (ALU) facing — vapour barrier, professional finish, and UV resistance\u003c\/li\u003e\n\u003cli\u003eOutstanding fire resistance — Euroclass A1 non-combustible\u003c\/li\u003e\n\u003cli\u003eExcellent acoustic and thermal insulation properties\u003c\/li\u003e\n\u003cli\u003eRigid pre-formed sections for fast, accurate installation\u003c\/li\u003e\n\u003cli\u003e50mm wall — 18mm to 273mm bore sizes available\u003c\/li\u003e\n\u003cli\u003eSupplied per 1 metre section\u003c\/li\u003e\n\u003cli\u003eCE certified — compliant with EN 14303\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-temperature steam mains and district heating distribution\u003c\/li\u003e\n\u003cli\u003eLarge-bore industrial process pipework\u003c\/li\u003e\n\u003cli\u003ePlant rooms requiring maximum thermal and fire performance\u003c\/li\u003e\n\u003cli\u003eIndustrial installations requiring fire-rated insulation\u003c\/li\u003e\n\u003cli\u003eBuilding services where non-combustible insulation is specified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRock mineral wool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium foil laminate (ALU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore sizes available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18mm to 273mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-200°C to +650°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal conductivity (λ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.033 W\/(m·K) at 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReaction to fire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEuroclass A1 — non-combustible (EN 13501-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater vapour diffusion resistance (μ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 7,000 (ALU facing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 14303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSection length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver (ALU faced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK-FLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOther wall thicknesses:\u003c\/strong\u003e \u003ca href=\"\/products\/k-flex-k-rock-alu-20mm\"\u003e20mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-25mm\"\u003e25mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-30mm\"\u003e30mm\u003c\/a\u003e | \u003ca href=\"\/products\/k-flex-k-rock-alu-40mm\"\u003e40mm\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Additional wall thicknesses available on request:\u003c\/strong\u003e 60mm, 70mm, 80mm, 90mm, 100mm and 120mm. Please contact us at \u003ca href=\"mailto:sales@ryanairconspares.com\"\u003esales@ryanairconspares.com\u003c\/a\u003e for pricing and availability.\u003c\/p\u003e","brand":"K-Flex","offers":[{"title":"18mm","offer_id":57273680757113,"sku":"50018LR1080BARP","price":13.23,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":57273680789881,"sku":"50022LR1080BARP","price":14.18,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":57273680822649,"sku":"50028LR1080BARP","price":14.89,"currency_code":"GBP","in_stock":true},{"title":"34mm","offer_id":57273680855417,"sku":"50034LR1080BARP","price":16.36,"currency_code":"GBP","in_stock":true},{"title":"42mm","offer_id":57273680888185,"sku":"50042LR1080BARP","price":18.04,"currency_code":"GBP","in_stock":true},{"title":"48mm","offer_id":57273680920953,"sku":"50048LR1080BARP","price":18.91,"currency_code":"GBP","in_stock":true},{"title":"54mm","offer_id":57273680953721,"sku":"50054LR1080BARP","price":21.01,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":57273680986489,"sku":"50060LR1080BARP","price":21.95,"currency_code":"GBP","in_stock":true},{"title":"64mm","offer_id":57273681019257,"sku":"50064LR1080BARP","price":22.58,"currency_code":"GBP","in_stock":true},{"title":"70mm","offer_id":57273681052025,"sku":"50070LR1080BARP","price":25.39,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":57273681084793,"sku":"50076LR1080BARP","price":25.89,"currency_code":"GBP","in_stock":true},{"title":"89mm","offer_id":57273681117561,"sku":"50089LR1080BARP","price":28.18,"currency_code":"GBP","in_stock":true},{"title":"102mm","offer_id":57273681150329,"sku":"50102LR1080BARP","price":33.58,"currency_code":"GBP","in_stock":true},{"title":"108mm","offer_id":57273681183097,"sku":"50108LR1080BARP","price":40.67,"currency_code":"GBP","in_stock":true},{"title":"114mm","offer_id":57273681215865,"sku":"50114LR1080BARP","price":41.88,"currency_code":"GBP","in_stock":true},{"title":"133mm","offer_id":57273681248633,"sku":"50133LR1080BARP","price":45.95,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":57273681281401,"sku":"50140LR1080BARP","price":65.23,"currency_code":"GBP","in_stock":true},{"title":"159mm","offer_id":57273681314169,"sku":"50159LR1080BARP","price":69.74,"currency_code":"GBP","in_stock":true},{"title":"168mm","offer_id":57273681346937,"sku":"50168LR1080BARP","price":72.03,"currency_code":"GBP","in_stock":true},{"title":"219mm","offer_id":57273681379705,"sku":"50219LR1080BARP","price":89.3,"currency_code":"GBP","in_stock":true},{"title":"273mm","offer_id":57273681412473,"sku":"50273LR1080BARP","price":108.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/K-FLEX-K-Rock-ALU-Mineral-Wool-Pipe-Insulation-Ryan-Air-Conditioning-Spares-68791865377143_b3b67377-e713-4c83-b3b3-6e601b88e415.png?v=1778762499"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/collections\/k-flex-logo.png?v=1784192027","url":"https:\/\/www.airconspares.com\/collections\/k-flex.oembed?page=2","provider":"Airconspares.com","version":"1.0","type":"link"}