{"title":"19mm Wall Thickness Pipe Insulation","description":"\u003ch2\u003e19mm Wall Thickness Pipe Insulation — UK Specialist Supplier\u003c\/h2\u003e\u003cp\u003eShop our range of pipe insulation with 19mm wall thickness — the recommended specification for pipes in unheated spaces, outdoor applications, and commercial heating systems where enhanced thermal performance is required. 19mm wall insulation provides significantly better frost protection and heat retention than standard 9mm or 13mm wall products.\u003c\/p\u003e\u003ch3\u003eWhy Choose 19mm Wall Thickness?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrost protection\u003c\/strong\u003e — 19mm wall thickness is the minimum recommended for pipes in exposed outdoor locations, unheated plant rooms and roof spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial compliance\u003c\/strong\u003e — meets CIBSE Guide C and Part L requirements for heating pipework in many commercial applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChilled water systems\u003c\/strong\u003e — 19mm wall is widely specified for chilled water pipework to prevent condensation and heat gain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy efficiency\u003c\/strong\u003e — substantially reduces heat loss from heating pipework compared to thinner wall products\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/armaflex-pipe-insulation\"\u003eArmaflex EVO 19mm Wall\u003c\/a\u003e\u003c\/strong\u003e — Class O nitrile rubber foam, self-seal and standard versions. The market-leading choice for HVAC and chilled water pipework\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/k-flex-pipe-insulation\"\u003eK-Flex ST 19mm Wall\u003c\/a\u003e\u003c\/strong\u003e — Class O elastomeric foam, available across a full range of bore sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/kingspan-kooltherm-pipe-insulation\"\u003eKingspan Kooltherm 19mm Wall\u003c\/a\u003e\u003c\/strong\u003e — Phenolic foam delivering superior thermal performance in a 19mm wall section\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/rockwool-pipe-insulation\"\u003eRockwool Rocklap 19mm Wall\u003c\/a\u003e\u003c\/strong\u003e — Mineral wool for high-temperature and fire-rated applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChilled water flow and return pipework in commercial HVAC systems\u003c\/li\u003e\n\u003cli\u003eHeating pipework in unheated plant rooms and roof spaces\u003c\/li\u003e\n\u003cli\u003eOutdoor and exposed pipework requiring frost protection\u003c\/li\u003e\n\u003cli\u003eSolar thermal and heat pump pipework\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShop by Wall Thickness\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"\/collections\/13mm-wall-thickness-pipe-insulation\"\u003e13mm\u003c\/a\u003e | \u003ca href=\"\/collections\/15mm-wall-thickness-pipe-insulation\"\u003e15mm\u003c\/a\u003e | \u003ca href=\"\/collections\/19mm-wall-thickness-pipe-insulation\"\u003e19mm\u003c\/a\u003e | \u003ca href=\"\/collections\/25mm-wall-thickness-pipe-insulation\"\u003e25mm\u003c\/a\u003e | \u003ca href=\"\/collections\/30mm-wall-thickness-pipe-insulation\"\u003e30mm\u003c\/a\u003e | \u003ca href=\"\/collections\/40mm-wall-thickness-pipe-insulation\"\u003e40mm\u003c\/a\u003e | \u003ca href=\"\/collections\/50mm-wall-thickness-pipe-insulation\"\u003e50mm\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"armaflex-pipe-insulation-lagging-black-nitrile-foam-class-o-2m","title":"Armaflex EVO Pipe Insulation Lagging — Class O Black Nitrile Foam 2m","description":"\u003ch2\u003eArmaflex EVO Pipe Insulation — Class O Black Elastomeric Foam\u003c\/h2\u003e\n\u003cp\u003eArmaflex EVO is the world's leading closed-cell elastomeric foam pipe insulation, manufactured by Armacell and specified by mechanical engineers, HVAC contractors and plumbers across the UK for over 60 years. Manufactured from flexible elastomeric foam based on synthetic rubber (FEF), in accordance with EN 14304, it delivers improved fire-retardant properties, low smoke generation, and built-in Microban® antimicrobial protection. Available in 2 metre lengths, this is the \u003cstrong\u003esolid (uncut) tube\u003c\/strong\u003e format — supplied without a longitudinal slit, requiring the installer to cut along the length before fitting. Preferred by experienced trade installers for complex pipework with many bends and fittings, where a clean, uninterrupted seam is required.\u003c\/p\u003e\n\u003cp\u003eIf you need a pre-slit tube with a factory-applied adhesive closure for faster installation on straight runs, see our \u003ca href=\"\/products\/armaflex-evo-self-seal-pipe-insulation-lagging-black-nitrile-foam-class-o-2m\"\u003eArmaflex EVO Self-Seal\u003c\/a\u003e range.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Armaflex EVO?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass O fire rated\u003c\/strong\u003e — BS 476 Part 6 \u0026amp; 7, B(L)-s2,d0 to EN 13501-1. Mandatory for commercial buildings, HVAC systems and any installation covered by Building Regulations Part B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in vapour barrier\u003c\/strong\u003e — closed-cell structure with water vapour resistance μ ≥ 10,000. No separate vapour wrapping required on chilled water or cold pipework\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow thermal conductivity\u003c\/strong\u003e — λd ≤ 0.033 W\/(m·K) at 0°C for tubes (6–25mm wall), among the lowest of any flexible pipe insulation. Minimises heat loss on heating pipework and heat gain on chilled water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroban® antimicrobial protection\u003c\/strong\u003e — infused into the foam during manufacture, providing additional assurance against mould and mildew growth in the insulation. Important for HVAC and chilled water applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range\u003c\/strong\u003e — -50°C to +110°C continuous operating temperature, covering all standard heating, cooling and refrigeration applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Approved\u003c\/strong\u003e — FM 4924 for pipe and duct insulation (UBC 26-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive fire protection\u003c\/strong\u003e — fire resistance of elements EI 30 – EI 90 to EN 13501-2 \/ EN 1366-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible and lightweight\u003c\/strong\u003e — bends around fittings and changes of direction without cutting. Significantly faster to install than rigid insulation on complex pipework\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Flexible elastomeric foam based on synthetic rubber (FEF), per EN 14304. Colour: Black.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Adhesive Coating:\u003c\/strong\u003e Pressure-sensitive adhesive on modified acrylate basis with mesh structure, covered with polyethylene foil. Traces of silicon may be found on the protection paper\/foil used to protect self-adhesive closures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Solid uncut tube — requires longitudinal cutting before installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Temperature Range:\u003c\/strong\u003e -50°C to +110°C (max +85°C if sheet or tape is glued to the object with its whole surface; max +85°C for tapes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Conductivity (Tubes 6–25mm):\u003c\/strong\u003e λd ≤ 0.033 W\/(m·K) at 0°C \/ 0.038 W\/(m·K) at 40°C — Formula: λd = [33 + 0.1·θm + 0.0008·θm²]\/1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Conductivity (Tubes \u0026gt;25mm \u0026amp; Sheets\/Tapes 3–32mm):\u003c\/strong\u003e λd ≤ 0.036 W\/(m·K) at 0°C \/ 0.041 W\/(m·K) at 40°C — Formula: λd = [36 + 0.1·θm + 0.0008·θm²]\/1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Conductivity (Sheets \u0026gt;32–50mm):\u003c\/strong\u003e λd ≤ 0.037 W\/(m·K) at 0°C \/ 0.042 W\/(m·K) at 40°C — Formula: λd = [37 + 0.1·θm + 0.0008·θm²]\/1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReaction to Fire:\u003c\/strong\u003e Tubes: B(L)-s2,d0 | Sheets\/Tapes: B-s2,d0 | Tubes\/Sheets with ArmaFix AF: B(L)-s2,d0 — EN 13823, EN 13501-1, EN ISO 11925-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Flammability:\u003c\/strong\u003e Low-flammable — 2010 FTP-Code (MED 96\/98\/EC, Module D) — IMO 2010 FTP Code, Part 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Approved:\u003c\/strong\u003e 4924 – Pipe and duct insulation (UBC 26-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive Fire Protection:\u003c\/strong\u003e EI 30 – EI 90 to EN 13501-2, EN 1366-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Vapour Resistance:\u003c\/strong\u003e μ ≥ 10,000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2 metres per piece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntimicrobial:\u003c\/strong\u003e Microban®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeclaration of Performance:\u003c\/strong\u003e Available at www.armacell.com\/DoP (Regulation (EU) No 305\/2011, Article 7(3))\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Pipe Sizes \u0026amp; Wall Thicknesses\u003c\/h3\u003e\n\u003cp\u003eSelect your pipe outside diameter (OD) and wall thickness from the variant selector above. Available in all standard UK pipe sizes from 6mm to 114mm OD, in 6mm, 9mm, 13mm, 19mm, 25mm and 32mm wall thicknesses.\u003c\/p\u003e\n\u003cp\u003eNot sure which wall thickness you need? See our \u003ca href=\"\/blogs\/knowledge-hub\/pipe-insulation-wall-thickness-guide\"\u003eArmaflex thickness guide\u003c\/a\u003e for recommendations by application.\u003c\/p\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsulation\/protection for pipes, air ducts, vessels (including elbows, fittings, flanges, etc.) of air-conditioning\/refrigeration and process equipment\u003c\/li\u003e\n\u003cli\u003eCommercial and domestic central heating flow and return pipework\u003c\/li\u003e\n\u003cli\u003eChilled water flow and return in HVAC systems\u003c\/li\u003e\n\u003cli\u003eDomestic and commercial hot and cold water supply\u003c\/li\u003e\n\u003cli\u003eHeat pump primary circuits and buffer vessel connections\u003c\/li\u003e\n\u003cli\u003eCondensate pipework from boilers and heat pumps\u003c\/li\u003e\n\u003cli\u003eRefrigeration suction and liquid lines\u003c\/li\u003e\n\u003cli\u003eDistrict heating secondary connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003ePlease refer to the ArmaFlex application manual for advice. This solid tube format requires the installer to cut along the length of the tube using a sharp knife or Armaflex cutting tool before fitting over the pipe. Once fitted, seal the cut seam and all butt joints with \u003ca href=\"\/products\/armaflex-520-pipe-insulation-adhesive\"\u003eArmaflex 520 contact adhesive\u003c\/a\u003e. For bends and fittings, mitre cut the insulation and seal all cut faces with adhesive before assembly. Do not stretch or compress the insulation during installation as this reduces the effective wall thickness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This format is recommended for experienced trade installers. For DIY or straightforward straight-run installations, the \u003ca href=\"\/products\/armaflex-evo-self-seal-pipe-insulation-lagging-black-nitrile-foam-class-o-2m\"\u003eArmaflex EVO Self-Seal\u003c\/a\u003e version is easier to fit.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Your Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/armaflex-520-pipe-insulation-adhesive\"\u003eArmaflex 520 Adhesive\u003c\/a\u003e\u003c\/strong\u003e — essential for sealing the cut seam and all butt joints. Do not use general-purpose contact adhesive on Armaflex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/armaflex-adhesive-glue-cleaner-1-litre\"\u003eArmaflex Cleaner\u003c\/a\u003e\u003c\/strong\u003e — for surface preparation and removing adhesive residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/armaflex-pipe-insulation-lagging-tape-50mm-x-3mm-x-15m-black-foam-class-o\"\u003eArmaflex Lagging Tape\u003c\/a\u003e\u003c\/strong\u003e — for finishing exposed edges and joints\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rubber-standard-pipe-clamps\"\u003eRubber \u0026amp; Standard Pipe Clamps\u003c\/a\u003e\u003c\/strong\u003e — correct pipe clamps for insulated pipework\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🛠 Working on a Refrigeration or AC System?\u003c\/h3\u003e\n\u003cp\u003eOur \u003cstrong\u003e\u003ca href=\"\/products\/armaflex-evo-refrigeration-ac-pipe-insulation-kit\"\u003eArmaflex EVO Refrigeration \u0026amp; AC Pipe Insulation Kit\u003c\/a\u003e\u003c\/strong\u003e includes your chosen unslit EVO insulation plus Armaflex 520 adhesive, L414 lagging tape and cable ties — the complete, specification-correct package for refrigeration and AC pipework. Available in 2m, 4m, 6m and 10m run lengths.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Downloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/af-armaflex-technical-datasheet.pdf?v=1780819041\" target=\"_blank\"\u003eAF\/Armaflex EVO — Technical Data Sheet (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/af-armaflex-product-brochure_2.pdf?v=1780819041\" target=\"_blank\"\u003eAF\/Armaflex EVO — Product Brochure (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/af-armaflex-environmental-product-declaration.pdf?v=1780819041\" target=\"_blank\"\u003eAF\/Armaflex EVO — Environmental Product Declaration (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/dopafarmaflexsrodaen-6.pdf?v=1780819040\" target=\"_blank\"\u003eAF\/Armaflex EVO — Declaration of Performance (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor technical advice or help selecting the right Armaflex product for your project, call our team on \u003cstrong\u003e0161 775 1190\u003c\/strong\u003e (Mon–Fri 8am–4pm) or browse the full \u003ca href=\"\/collections\/armaflex-pipe-insulation\"\u003eArmaflex range\u003c\/a\u003e.\u003c\/p\u003e","brand":"Armacell","offers":[{"title":"6mm \/ 6mm","offer_id":58099015975237,"sku":"L300","price":3.14,"currency_code":"GBP","in_stock":true},{"title":"6mm \/ 9mm","offer_id":58099015909701,"sku":"L355","price":2.87,"currency_code":"GBP","in_stock":true},{"title":"6mm \/ 13mm","offer_id":58099015942469,"sku":"L366","price":3.83,"currency_code":"GBP","in_stock":true},{"title":"10mm \/ 6mm","offer_id":58099016008005,"sku":"L301","price":3.92,"currency_code":"GBP","in_stock":true},{"title":"10mm \/ 13mm","offer_id":58099016040773,"sku":"L367","price":3.98,"currency_code":"GBP","in_stock":true},{"title":"10mm \/ 19mm","offer_id":58099016073541,"sku":"L383","price":6.64,"currency_code":"GBP","in_stock":true},{"title":"12mm \/ 6mm","offer_id":58099016237381,"sku":"L302","price":2.92,"currency_code":"GBP","in_stock":true},{"title":"12mm \/ 9mm","offer_id":58099016204613,"sku":"L357","price":3.08,"currency_code":"GBP","in_stock":true},{"title":"12mm \/ 13mm","offer_id":58099016171845,"sku":"L368","price":3.76,"currency_code":"GBP","in_stock":true},{"title":"12mm \/ 19mm","offer_id":58099016106309,"sku":"L384","price":6.7,"currency_code":"GBP","in_stock":true},{"title":"12mm \/ 25mm","offer_id":58099016139077,"sku":"L401","price":12.4,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 6mm","offer_id":58099016270149,"sku":"L303","price":4.01,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 9mm","offer_id":58099016302917,"sku":"L358","price":2.89,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 13mm","offer_id":58099016335685,"sku":"L369","price":4.14,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 19mm","offer_id":58099016368453,"sku":"L385","price":7.01,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 25mm","offer_id":58099016401221,"sku":"L402","price":13.76,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 32mm","offer_id":58099016433989,"sku":"L421","price":17.32,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 9mm","offer_id":58099016565061,"sku":"L359","price":3.92,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 13mm","offer_id":58099016532293,"sku":"L370","price":4.87,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 19mm","offer_id":58099016466757,"sku":"L386","price":7.87,"currency_code":"GBP","in_stock":true},{"title":"20mm \/ 25mm","offer_id":58099016499525,"sku":"L403","price":14.88,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 9mm","offer_id":58099016597829,"sku":"L360","price":4.08,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 13mm","offer_id":58099016630597,"sku":"L371","price":5.11,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 19mm","offer_id":58099016663365,"sku":"L387","price":8.47,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 25mm","offer_id":58099016696133,"sku":"L404","price":15.1,"currency_code":"GBP","in_stock":true},{"title":"22mm \/ 32mm","offer_id":58099016728901,"sku":"L422","price":19.09,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 9mm","offer_id":58099016892741,"sku":"L361","price":4.51,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 13mm","offer_id":58099016859973,"sku":"L372","price":6.23,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 19mm","offer_id":58099016761669,"sku":"L388","price":10.64,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 25mm","offer_id":58099016827205,"sku":"L405","price":17.12,"currency_code":"GBP","in_stock":true},{"title":"28mm \/ 32mm","offer_id":58099016794437,"sku":"L440","price":22.26,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 9mm","offer_id":58099016925509,"sku":"L362","price":4.98,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 13mm","offer_id":58099016958277,"sku":"L373","price":6.18,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 19mm","offer_id":58099016991045,"sku":"L389","price":13.61,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 25mm","offer_id":58099017023813,"sku":"L406","price":19.15,"currency_code":"GBP","in_stock":true},{"title":"35mm \/ 32mm","offer_id":58099017056581,"sku":"L441","price":22.88,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 9mm","offer_id":58099017187653,"sku":"L363","price":5.64,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 13mm","offer_id":58099017154885,"sku":"L374","price":8.0,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 19mm","offer_id":58099017220421,"sku":"L390","price":15.88,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 25mm","offer_id":58099017122117,"sku":"L407","price":20.46,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ 32mm","offer_id":58099017089349,"sku":"L442","price":26.69,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 13mm","offer_id":58099017253189,"sku":"L374-48","price":9.7,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 19mm","offer_id":58099017285957,"sku":"L390-48","price":18.18,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 25mm","offer_id":58099017318725,"sku":"L408","price":23.35,"currency_code":"GBP","in_stock":true},{"title":"48mm \/ 32mm","offer_id":58099017351493,"sku":"L443","price":29.52,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 9mm","offer_id":58099017515333,"sku":"L365","price":8.28,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 13mm","offer_id":58099017482565,"sku":"L375","price":11.27,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 19mm","offer_id":58099017449797,"sku":"L391","price":20.28,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 25mm","offer_id":58099017417029,"sku":"L408-54","price":24.01,"currency_code":"GBP","in_stock":true},{"title":"54mm \/ 32mm","offer_id":58099017384261,"sku":"L444","price":32.84,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 9mm","offer_id":58099017548101,"sku":"L365-60","price":9.41,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 13mm","offer_id":58099017580869,"sku":"L375-60","price":12.48,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 19mm","offer_id":58099017613637,"sku":"L392","price":22.36,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 25mm","offer_id":58099017646405,"sku":"L408-60","price":25.46,"currency_code":"GBP","in_stock":true},{"title":"60mm \/ 32mm","offer_id":58099017679173,"sku":"L445","price":40.67,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 13mm","offer_id":58099017711941,"sku":"L376","price":16.44,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 19mm","offer_id":58099017744709,"sku":"L393","price":24.19,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 25mm","offer_id":58099017777477,"sku":"L408-67","price":32.32,"currency_code":"GBP","in_stock":true},{"title":"67mm \/ 32mm","offer_id":58099017810245,"sku":"L446","price":47.52,"currency_code":"GBP","in_stock":true},{"title":"76mm \/ 13mm","offer_id":58099017843013,"sku":"L377","price":19.39,"currency_code":"GBP","in_stock":true},{"title":"76mm \/ 19mm","offer_id":58099017908549,"sku":"L394","price":27.9,"currency_code":"GBP","in_stock":true},{"title":"76mm \/ 25mm","offer_id":58099017941317,"sku":"L409","price":36.34,"currency_code":"GBP","in_stock":true},{"title":"76mm \/ 32mm","offer_id":58099017875781,"sku":"L447","price":55.12,"currency_code":"GBP","in_stock":true},{"title":"80mm \/ 13mm","offer_id":58099017974085,"sku":"L378","price":20.3,"currency_code":"GBP","in_stock":true},{"title":"80mm \/ 19mm","offer_id":58099018006853,"sku":"L394-80","price":30.58,"currency_code":"GBP","in_stock":true},{"title":"80mm \/ 25mm","offer_id":58099018039621,"sku":"L409-80","price":38.76,"currency_code":"GBP","in_stock":true},{"title":"89mm \/ 13mm","offer_id":58099018072389,"sku":"L379","price":23.6,"currency_code":"GBP","in_stock":true},{"title":"89mm \/ 19mm","offer_id":58099018105157,"sku":"L395","price":33.66,"currency_code":"GBP","in_stock":true},{"title":"89mm \/ 25mm","offer_id":58099018137925,"sku":"L409-81","price":40.01,"currency_code":"GBP","in_stock":true},{"title":"89mm \/ 32mm","offer_id":58099018170693,"sku":"L448","price":59.1,"currency_code":"GBP","in_stock":true},{"title":"93mm \/ 13mm","offer_id":58099018203461,"sku":"L380","price":24.13,"currency_code":"GBP","in_stock":true},{"title":"93mm \/ 19mm","offer_id":58099018268997,"sku":"L396","price":35.93,"currency_code":"GBP","in_stock":true},{"title":"93mm \/ 25mm","offer_id":58099018236229,"sku":"L409-93","price":41.04,"currency_code":"GBP","in_stock":true},{"title":"108mm \/ 13mm","offer_id":58099018301765,"sku":"L381","price":26.1,"currency_code":"GBP","in_stock":true},{"title":"108mm \/ 19mm","offer_id":58099018334533,"sku":"L397","price":38.17,"currency_code":"GBP","in_stock":true},{"title":"108mm \/ 25mm","offer_id":58099018367301,"sku":"L409.-108","price":43.24,"currency_code":"GBP","in_stock":true},{"title":"114mm \/ 13mm","offer_id":58099018400069,"sku":"L382","price":30.6,"currency_code":"GBP","in_stock":true},{"title":"114mm \/ 19mm","offer_id":58099018432837,"sku":"L398","price":43.68,"currency_code":"GBP","in_stock":true},{"title":"114mm \/ 25mm","offer_id":58099018465605,"sku":"L409.-114","price":44.75,"currency_code":"GBP","in_stock":true},{"title":"114mm \/ 32mm","offer_id":58099018498373,"sku":"L449","price":62.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/Armaflex_class_o_tube_Armacell.gif?v=1780823091"},{"product_id":"armaflex-evo-self-seal-pipe-insulation-lagging-black-nitrile-foam-class-o-2m","title":"Armaflex EVO Self Seal Pipe Insulation Lagging Black Nitrile Foam Class O 2m","description":"\u003ch2\u003eArmaflex EVO Self Seal Pipe Insulation — Black Nitrile Foam, Class O, 2m\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/armaflex-pipe-insulation\"\u003eArmaflex EVO\u003c\/a\u003e is the world's leading elastomeric foam pipe insulation, manufactured by Armacell and trusted by M\u0026amp;E contractors, HVAC engineers and refrigeration specialists for over 40 years. The Self Seal version features a factory-applied self-adhesive closure strip — simply cut to length, open the slit, place around the pipe and press to seal. No adhesive, no tools, no mess.\u003c\/p\u003e\n\u003cp\u003eArmaflex EVO delivers the complete package: Class O fire rating, superior condensation control, built-in Microban® antimicrobial protection and a thermal conductivity of λ ≤ 0.033 W\/mK — all in a flexible, lightweight tube that installs in seconds.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-adhesive closure\u003c\/strong\u003e — factory-applied seal strip for fast, tool-free installation. No Armaflex adhesive required for straight runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass O fire rated\u003c\/strong\u003e — meets BS 476 Part 6 and Part 7 requirements for surface spread of flame. Suitable for commercial and public buildings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-s2,d0 fire classification\u003c\/strong\u003e — produces 50% less smoke than standard elastomeric foams, improving visibility and evacuation time in the event of fire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior condensation control\u003c\/strong\u003e — closed-cell structure with water vapour resistance μ ≥ 10,000, preventing moisture ingress and pipe corrosion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroban® antimicrobial protection\u003c\/strong\u003e — built-in technology inhibits mould and mildew growth throughout the product's lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow thermal conductivity\u003c\/strong\u003e — λ ≤ 0.033 W\/mK, minimising heat gain on chilled pipework and heat loss on heating systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven longevity\u003c\/strong\u003e — Armaflex installations from the 1980s have been tested and shown to retain full technical performance after 40+ years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Closed-cell nitrile rubber (NBR) elastomeric foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2m per tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e Self-adhesive lap (self seal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal conductivity:\u003c\/strong\u003e λ ≤ 0.033 W\/mK at 0°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater vapour resistance:\u003c\/strong\u003e μ ≥ 10,000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire classification:\u003c\/strong\u003e Class O (BS 476), B-s2,d0 (EN 13501)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -50°C to +105°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntimicrobial:\u003c\/strong\u003e Microban® built-in protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWall Thickness Selection Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/9mm-wall-thickness-pipe-insulation\"\u003e9mm wall\u003c\/a\u003e\u003c\/strong\u003e — Condensation control on chilled water and cold pipework in conditioned spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/13mm-wall-thickness-pipe-insulation\"\u003e13mm wall\u003c\/a\u003e\u003c\/strong\u003e — Standard specification for heating, hot water and chilled water pipework. Meets Part L for most domestic applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/19mm-wall-thickness-pipe-insulation\"\u003e19mm wall\u003c\/a\u003e\u003c\/strong\u003e — Enhanced thermal performance for commercial HVAC, chilled water and frost protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/collections\/25mm-wall-thickness-pipe-insulation\"\u003e25mm wall\u003c\/a\u003e\u003c\/strong\u003e — Maximum performance for chilled water, refrigeration and exposed pipework\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShop by Pipe Size\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/15mm-pipe-insulation\"\u003e15mm\u003c\/a\u003e | \u003ca href=\"\/collections\/22mm-pipe-insulation\"\u003e22mm\u003c\/a\u003e | \u003ca href=\"\/collections\/28mm-pipe-insulation\"\u003e28mm\u003c\/a\u003e | \u003ca href=\"\/collections\/35mm-pipe-insulation\"\u003e35mm\u003c\/a\u003e | \u003ca href=\"\/collections\/42mm-pipe-insulation\"\u003e42mm\u003c\/a\u003e | \u003ca href=\"\/collections\/48mm-pipe-insulation\"\u003e48mm\u003c\/a\u003e | \u003ca href=\"\/collections\/54mm-pipe-insulation\"\u003e54mm\u003c\/a\u003e | \u003ca href=\"\/collections\/60mm-pipe-insulation\"\u003e60mm\u003c\/a\u003e | \u003ca href=\"\/collections\/76mm-pipe-insulation\"\u003e76mm\u003c\/a\u003e | \u003ca href=\"\/collections\/89mm-pipe-insulation\"\u003e89mm\u003c\/a\u003e | \u003ca href=\"\/collections\/114mm-pipe-insulation\"\u003e114mm\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChilled water flow and return pipework in commercial HVAC systems\u003c\/li\u003e\n\u003cli\u003eHeating and hot water pipework in commercial and domestic buildings\u003c\/li\u003e\n\u003cli\u003eRefrigeration and process pipework\u003c\/li\u003e\n\u003cli\u003eAir conditioning systems and fan coil unit connections\u003c\/li\u003e\n\u003cli\u003eData centre cooling pipework\u003c\/li\u003e\n\u003cli\u003eSolar thermal and heat pump pipework\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComplete Your Installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/armaflex-520-pipe-insulation-adhesive\"\u003eArmaflex 520 Adhesive\u003c\/a\u003e\u003c\/strong\u003e — Required for butt joints, bends and fittings where the self-seal closure cannot be used\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/armaflex-pipe-insulation-lagging-tape-50mm-x-3mm-x-15m-black-foam-class-o\"\u003eArmaflex Lagging Tape\u003c\/a\u003e\u003c\/strong\u003e — Black foam tape for finishing exposed edges and joints to a professional standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/armaflex-tuffcoat-pipe-insulation-tape-25mm-wide-x-50-metres-black\"\u003eArmaflex Tuffcoat Tape\u003c\/a\u003e\u003c\/strong\u003e — UV-resistant protective tape for outdoor and exposed Armaflex installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/rubber-standard-pipe-clamps\"\u003eRubber \u0026amp; Standard Pipe Clamps\u003c\/a\u003e\u003c\/strong\u003e — Secure your insulated pipework with the correct pipe clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🛠 Need Everything in One Order?\u003c\/h3\u003e\n\u003cp\u003eOur \u003cstrong\u003e\u003ca href=\"\/products\/armaflex-evo-self-seal-domestic-pipe-lagging-kit\"\u003eArmaflex EVO Self Seal Domestic Pipe Lagging Kit\u003c\/a\u003e\u003c\/strong\u003e includes your chosen insulation plus Armaflex L414 lagging tape and cable ties — everything you need, delivered together. Available in 2m, 4m, 6m and 10m run lengths.\u003c\/p\u003e\n\u003cp\u003eFor technical advice on specification, compliance with Part L or CIBSE Guide C, or help selecting the right wall thickness, call our team on \u003cstrong\u003e0161 775 1190\u003c\/strong\u003e (Mon–Fri 8am–4pm).\u003c\/p\u003e\n\u003ch3\u003eTechnical Downloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/af-armaflex-evo-technical-datasheet.pdf?v=1780815710\" target=\"_blank\"\u003eArmaflex EVO — Technical Data Sheet (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/af-armaflex-evo-product-brochure_1.pdf?v=1780815710\" target=\"_blank\"\u003eArmaflex EVO — Product Brochure (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/af-armaflex-evo-environmental-product-declaration.pdf?v=1780815711\" target=\"_blank\"\u003eArmaflex EVO — Environmental Product Declaration (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/dopafarmaflexevomuensteren.pdf?v=1780815709\" target=\"_blank\"\u003eArmaflex EVO — Declaration of Performance (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1045\/1238\/9445\/files\/armaflex-products-sdb002gbensdb-0_1.pdf?v=1780815709\" target=\"_blank\"\u003eArmaflex EVO — Safety Data Sheet (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Armacell","offers":[{"title":"15mm \/ 9mm","offer_id":58099018858821,"sku":"L004","price":3.62,"currency_code":"GBP","in_stock":true},{"title":"15mm \/ 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