{"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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