{"title":"Roof Insulation Board","description":"","products":[{"product_id":"100mm-kingspan-thermaroof-tr26-flat-roof-insulation-board-2400mm-x-1200mm","title":"100mm Kingspan Thermaroof TR26 Flat Roof Insulation Board 2400mm x 1200mm","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eKingspan Thermaroof TR26 Flat Roof Insulation Board measuring 2400mm x 1200mm with a 100mm thickness. This high-performance rigid thermoset insulation board is specifically designed for flat roofs waterproofed with mechanically fixed single-ply membranes. \u003cbr\u003e\u003cbr\u003eManufactured with a fibre-free insulation core and low emissivity composite foil facings, it achieves excellent thermal conductivity of 0.022 W\/m·K, delivering high levels of thermal efficiency. \u003cbr\u003e\u003cbr\u003eThe board is LPCB approved to LPS 1181 Part 1 and FM approved for Class 1 steel deck roof assemblies, confirming its suitability for demanding roof systems. \u003cbr\u003e\u003cbr\u003eResistant to water vapour transmission and fully compatible with most mechanically fixed single-ply and green roof systems, it provides long-term thermal reliability and structural stability. \u003cbr\u003e\u003cbr\u003eIts rigid board format allows straightforward installation and consistent performance across large roof areas, with a 100mm thickness ensuring optimal thermal resistance for warm roof applications.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh thermal efficiency\u003c\/strong\u003e: Achieves a low thermal conductivity of 0.022 W\/m·K for excellent insulation performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable rigid construction\u003c\/strong\u003e: Rigid thermoset core retains dimensional stability and compressive strength under mechanical fixing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture resistance\u003c\/strong\u003e: Closed-cell structure resists the passage of water vapour, protecting the roof system from condensation risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem compatibility\u003c\/strong\u003e: Fully compatible with most mechanically fixed single-ply membranes and green roof systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight handling\u003c\/strong\u003e: Easy to cut, position, and secure, supporting fast-track installation on site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental performance\u003c\/strong\u003e: Manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified quality\u003c\/strong\u003e: LPCB approved to LPS 1181 Part 1 and FM approved for Class 1 steel deck roofs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainable sourcing\u003c\/strong\u003e: Certified to BES 6001 ‘Excellent’ for responsible sourcing, with a BRE Green Guide rating of A+.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and format\u003c\/strong\u003e: Supplied as 2400mm x 1200mm boards with a 100mm thickness for enhanced thermal performance in flat roof assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat roof systems\u003c\/strong\u003e: Suitable for use beneath mechanically fixed single-ply waterproofing membranes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarm roof construction\u003c\/strong\u003e: Ideal for roofs requiring continuous insulation over the deck and vapour control layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen roofs\u003c\/strong\u003e: Compatible with extensive and intensive green roof systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew build and refurbishment\u003c\/strong\u003e: Designed for use in both new and existing flat roof applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial and commercial buildings\u003c\/strong\u003e: Suitable for steel and concrete deck installations requiring robust insulation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate preparation\u003c\/strong\u003e: Ensure deck is clean, dry, and structurally sound before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVapour control layer\u003c\/strong\u003e: Install a separate vapour control layer unless used directly on a sealed metal deck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing method\u003c\/strong\u003e: Mechanically fix insulation boards through the vapour control layer or metal deck using approved fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard layout\u003c\/strong\u003e: Lay boards tightly-butted with staggered joints to avoid thermal bridging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFalls and drainage\u003c\/strong\u003e: Construct falls within the roof deck or through a Kingspan Thermataper system to ensure adequate drainage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection and access\u003c\/strong\u003e: Restrict access to light foot traffic only; provide walkway protection where regular maintenance is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal conductivity\u003c\/strong\u003e: 0.022 W\/m·K.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire performance\u003c\/strong\u003e: LPCB approved to LPS 1181 Part 1; FM approved for Class 1 steel deck assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental rating\u003c\/strong\u003e: BRE Green Guide rating of A+; manufactured under ISO 14001:2015 environmental management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponsible sourcing\u003c\/strong\u003e: BES 6001 ‘Excellent’ certification for sustainable production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality assurance\u003c\/strong\u003e: Manufactured under ISO 9001:2015 quality and ISO 50001:2011 energy management systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards compliance\u003c\/strong\u003e: Meets BS 4841-4 and BS EN ISO 6946 calculation methodologies for thermal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Always conduct a U-value and condensation risk analysis before installation; ensure all vapour control and waterproofing layers are correctly specified and installed to maintain full system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"TR26 \/ 100mm","offer_id":53771585912943,"sku":"3004088","price":123.84,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 100mm","offer_id":53771585945711,"sku":"3004099","price":205.85,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 110mm","offer_id":53771585978479,"sku":"3004089","price":131.86,"currency_code":"GBP","in_stock":true},{"title":"TR24 \/ 120mm","offer_id":53771586011247,"sku":"3004086","price":153.74,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 120mm","offer_id":53771586044015,"sku":"3004090","price":143.35,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 120mm","offer_id":53771586076783,"sku":"3004100","price":244.06,"currency_code":"GBP","in_stock":true},{"title":"TR24 \/ 130mm","offer_id":53771586109551,"sku":"3004087","price":126.94,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 130mm","offer_id":53771586142319,"sku":"3004101","price":201.97,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 140mm","offer_id":53771586175087,"sku":"3004091","price":179.96,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 140mm","offer_id":53771586207855,"sku":"3004102","price":139.94,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 150mm","offer_id":53771586240623,"sku":"3004092","price":183.84,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 150mm","offer_id":53771586273391,"sku":"3004103","price":152.47,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 25mm","offer_id":53771586306159,"sku":"3004093","price":45.58,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 25mm","offer_id":53771586338927,"sku":"3004106","price":120.36,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 50mm","offer_id":53771586371695,"sku":"3004094","price":68.95,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 50mm","offer_id":53771586404463,"sku":"3004104","price":185.17,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 60mm","offer_id":53771586437231,"sku":"3004095","price":79.6,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 70mm","offer_id":53771586469999,"sku":"3004096","price":92.56,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 80mm","offer_id":53771586502767,"sku":"3004097","price":102.19,"currency_code":"GBP","in_stock":true},{"title":"TR27 \/ 80mm","offer_id":53771586535535,"sku":"3004105","price":167.84,"currency_code":"GBP","in_stock":true},{"title":"TR26 \/ 90mm","offer_id":53771586568303,"sku":"3004098","price":118.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Kingspan_TR26_-_Photo_Resized_2.jpg?v=1783758928"},{"product_id":"100mm-kingspan-kooltherm-k103-floor-insulation-board-2400mm-x-1200mm","title":"100mm Kingspan Kooltherm K103 Floor Insulation Board 2400mm x 1200mm (3\/Pack)","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eKingspan Kooltherm K103 Floor Insulation Board in a 100mm thickness.\u003cbr\u003e\u003cbr\u003eThis board delivers premium thermal performance for ground-floor constructions. The fibre-free phenolic core achieves a low thermal conductivity of 0.018 W\/m·K, supporting strong energy retention in concrete slabs, screeded floors, and suspended timber systems.\u003cbr\u003e\u003cbr\u003eThe board is faced on both sides with a durable glass-tissue layer autohesively bonded to the core, providing a stable surface compatible with common floor build-ups. Its closed-cell structure resists air infiltration and water vapour passage, ensuring consistent long-term performance within the floor assembly.\u003cbr\u003e\u003cbr\u003eA minimum compressive strength of 120 kPa at 10% compression accommodates typical domestic and commercial floor loading when used beneath unreinforced screeds. Its lightweight construction helps reduce site disruption by limiting soil removal and simplifying service routes during floor preparation.\u003cbr\u003e\u003cbr\u003eHandling, cutting, and placement remain straightforward in both new-build and refurbishment settings, with the material offering a non-deleterious insulation option produced using a zero-ODP, low-GWP blowing agent.\u003cbr\u003e\u003cbr\u003eManufactured with a 100mm thickness, it provides a deep insulation option suited to floor constructions targeting high levels of thermal efficiency.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium phenolic insulation:\u003c\/strong\u003e Provides a rigid thermoset phenolic core for high thermal efficiency in ground-floor applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow thermal conductivity:\u003c\/strong\u003e Achieves a conductivity of 0.018 W\/m·K to support strong energy retention across the floor area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir infiltration resistance:\u003c\/strong\u003e Remains unaffected by air movement within the floor assembly for stable thermal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater vapour resistance:\u003c\/strong\u003e Offers reliable resistance to water vapour passage to support long-term floor integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced site preparation:\u003c\/strong\u003e Can help limit soil removal and simplify service routing during ground-floor construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable formulation:\u003c\/strong\u003e Provides a non-deleterious material that maintains performance when correctly installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainable manufacture:\u003c\/strong\u003e Produced using a blowing agent with zero ODP and low GWP for responsible specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Lightweight and easy to cut for precise fitting in both new-build and refurbishment settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness specification:\u003c\/strong\u003e 100mm thickness suited to deep floor build-ups and installations requiring high thermal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete floors:\u003c\/strong\u003e Suitable for insulation beneath slabs and screeds in domestic and commercial buildings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuspended timber floors:\u003c\/strong\u003e Appropriate for improving thermal performance in timber-based floor constructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefurbishment projects:\u003c\/strong\u003e Applicable across upgrade works requiring enhanced ground-floor thermal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerimeter detailing:\u003c\/strong\u003e Compatible with perimeter upstand insulation to reduce heat loss at wall-to-floor junctions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate preparation:\u003c\/strong\u003e Ensure the supporting base is clean, level, and protected by an effective damp proof membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard arrangement:\u003c\/strong\u003e Lay boards tightly with staggered joints to minimise thermal bridging across the floor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerimeter treatment:\u003c\/strong\u003e Install suitable upstand insulation to improve wall-to-floor junction performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad application:\u003c\/strong\u003e Apply screed or slab layers in accordance with the chosen floor design and load requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate cutting:\u003c\/strong\u003e Cut panels cleanly using a fine-toothed saw to achieve a precise and stable installation fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial specification:\u003c\/strong\u003e Manufactured from a fibre-free rigid thermoset phenolic core with glass-tissue facings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal performance:\u003c\/strong\u003e Provides a low thermal conductivity of 0.018 W\/m·K for efficient floor insulation design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressive strength:\u003c\/strong\u003e Minimum compressive strength of 120 kPa at 10% compression suitable for typical floor 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A rigid, closed-cell thermal insulation material for floors, basements, and inverted roofs. \u003cbr\u003e\u003cbr\u003eIts dense cellular structure delivers long-term durability under sustained load, maintaining both mechanical strength and thermal integrity beneath concrete slabs, paving, or ballast.\u003cbr\u003e\u003cbr\u003eResistant to water absorption, vapour transmission, and freeze\/thaw cycling, it ensures consistent insulation even in demanding environmental conditions. Lightweight yet structurally stable, the boards are easy to cut and position, enabling rapid installation with precise joint alignment and no loss of compressive or thermal performance. \u003cbr\u003e\u003cbr\u003eThe 100mm thickness is suited to demanding insulation environments requiring enhanced energy performance.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh compressive strength:\u003c\/strong\u003e Withstands 300kPa load, supporting use under heavy floors or roof ballast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-cell structure:\u003c\/strong\u003e Prevents water ingress and maintains insulation properties in damp conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable thermal performance:\u003c\/strong\u003e Thermal conductivity typically 0.034 W\/m·K for consistent energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable and lightweight:\u003c\/strong\u003e Resists damage during handling and installation while remaining easy to cut and shape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture resistant:\u003c\/strong\u003e Retains dimensional stability and mechanical performance when exposed to wet conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainability performance:\u003c\/strong\u003e Produced with zero ozone depletion potential (ODP) and low global warming potential (GWP).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness suitability:\u003c\/strong\u003e 100mm board thickness provides enhanced thermal resistance and mechanical stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround floors:\u003c\/strong\u003e Provides an insulation layer under screed or slab floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverted roofs:\u003c\/strong\u003e Suitable for thermal protection above waterproof membranes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoundations and perimeters:\u003c\/strong\u003e Effective where compressive strength and moisture resistance are essential.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate preparation:\u003c\/strong\u003e Surfaces should be level, clean, and free from standing water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting:\u003c\/strong\u003e Score and snap or use a fine-toothed saw to achieve tight joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing:\u003c\/strong\u003e Apply in staggered bond with adhesive or mechanical fixings appropriate to the substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Shield from UV exposure and site traffic before covering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather conditions:\u003c\/strong\u003e Avoid open flame or solvent contact during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store flat, under cover, and away from direct sunlight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal conductivity:\u003c\/strong\u003e 0.034 W\/m·K.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressive strength:\u003c\/strong\u003e 300kPa at 10% compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater absorption:\u003c\/strong\u003e ≤ 0.7% by volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing standard:\u003c\/strong\u003e EN 13164 for extruded polystyrene (XPS).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental profile:\u003c\/strong\u003e Zero ODP, low GWP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e Always install per Kingspan technical guidance. 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This construction provides excellent thermal resistance, helping to reduce heat loss through the building fabric while also acting as a vapour control layer. \u003cbr\u003e\u003cbr\u003eAt 100mm thick, the most widely used thickness in the GA range, it is sized to fit most standard cavities and joist depths, making it straightforward to integrate into typical construction details.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal conductivity (0.022 W\/m·K):\u003c\/strong\u003e Reduces the thickness required to meet U-value targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-emissivity foil facings:\u003c\/strong\u003e Reflect radiant heat across cavity air spaces, improving overall efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGA4000 range (general application):\u003c\/strong\u003e Suitable for versatile use across roofs, walls, and floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid PIR core:\u003c\/strong\u003e Lightweight yet robust, easy to cut and install with standard tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture resistance:\u003c\/strong\u003e Closed-cell core prevents water uptake and preserves thermal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental credentials:\u003c\/strong\u003e Zero ODP, low GWP blowing agent, and BRE Green Guide Rating A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBBA certified (17\/5405, 16\/5352):\u003c\/strong\u003e Independent assurance of performance across roofs, walls, and floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard size 2400 × 1200mm:\u003c\/strong\u003e Supplied in the industry-standard sheet size for insulation, ensuring compatibility across typical build-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness 100mm:\u003c\/strong\u003e Popular and practical size for achieving strong thermal performance in standard build-ups.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral insulation:\u003c\/strong\u003e Versatile board suitable for a wide range of domestic and commercial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeam and block flooring\u003c\/strong\u003e: Maximum efficiency 100mm PIR boards are installed over the structural floor to provide a continuous thermal barrier beneath sand and cement or liquid screeds. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete slab and oversite floors\u003c\/strong\u003e: High compressive strength enables boards to be laid directly over or under ground-bearing slabs to ensure the lowest possible U-values in new-build construction. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuspended timber floors\u003c\/strong\u003e: Rigid boards are cut-to-fit and friction-supported between floor joists to significantly reduce heat loss through ventilated sub-floor voids. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete slab overlays\u003c\/strong\u003e: Standard 100mm thickness allows for the upgrade of existing concrete floors to provide a thermal barrier equivalent to modern new-build specifications. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderfloor heating systems\u003c\/strong\u003e: Reflective foil facers on both sides of the board enhance the efficiency of underfloor heating by reflecting heat upwards into the living space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimber frame wall insulation\u003c\/strong\u003e: Maximum efficiency 100mm PIR boards are friction-fitted between timber studs to ensure the highest possible thermal ratings in wall assemblies. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMasonry wall dry-lining\u003c\/strong\u003e: Flagship 100mm boards are fixed to the internal face of solid or cavity masonry walls to provide a thermal barrier equivalent to modern new-build specifications. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitched roof insulation\u003c\/strong\u003e: Full-thickness 100mm boards are installed between or over rafters to create a high-specification, regulation-compliant thermal envelope. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat roof insulation\u003c\/strong\u003e: High compressive strength allows for installation beneath a waterproof membrane or over a structural deck to provide the ultimate thermal solution for the roof covering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSummerhouse and garden room insulation\u003c\/strong\u003e: High-performance 0.022 W\/mK thermal conductivity provides maximum heat retention within timber stud walls and roof rafters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConservatory warm-roof conversions\u003c\/strong\u003e: Optimum 100mm thickness enables roof structures to meet or exceed Part L U-value requirements during solid-roof upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring and cutting\u003c\/strong\u003e: Measure the aperture accurately and cut the board using a fine-toothed saw or sharp knife for a tight friction fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning and fixing\u003c\/strong\u003e: Place the board securely against the substrate or between structural members, ensuring no gaps are left between adjacent boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing joints\u003c\/strong\u003e: Apply high-quality aluminium foil tape to all board joints to maintain the integrity of the vapour control layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical attachment\u003c\/strong\u003e: Use appropriate insulation fixings or adhesive as specified by the project requirements to secure boards to walls or ceilings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire lining (wall applications)\u003c\/strong\u003e: Ensure the insulation used in wall applications is covered with a fire-rated lining, such as 12.5mm plasterboard, to meet safety requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal conductivity\u003c\/strong\u003e: Achieves a declared Lambda value of 0.022 W\/mK in accordance with BS EN 13165. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressive strength\u003c\/strong\u003e: Rated at ≥140 kPa when tested to BS EN 826, making it suitable for floor applications subject to light loads. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUK Building Regulations Part L\u003c\/strong\u003e: Helps meet Part L (Fuel and Power) requirements; however, 100mm may require additional layers to meet specific new-build U-value targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUK Building Regulations Part B\u003c\/strong\u003e: Rated as Euroclass E in accordance with BS EN 13501-1; this material is combustible and must be installed behind a fire-rated lining in wall applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUK Building Regulations Part C\u003c\/strong\u003e: Requires the use of a separate Vapour Control Layer (VCL) and taped joints in many applications to prevent interstitial condensation as per Part C (Site preparation and resistance to contaminants and moisture). \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental impact\u003c\/strong\u003e: Zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP) during the manufacturing process. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: UK Building Regulations vary by project and location; always consult a 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