{"title":"Floor Insulation","description":"","products":[{"product_id":"100mm-knauf-earthwool-acoustic-apr-insulation-roll-pallet-of-24-rolls-296-64m2-pallet","title":"100mm Knauf Acoustic (APR) Insulation Roll - Pallet of 24 Rolls (296.64m2\/Pallet)","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eInsulation pallets ensure you can complete large construction projects with ultimate efficiency. 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Overview\u003c\/h2\u003e\u003cp\u003eEPS100 Polystyrene Insulation Board with a 2400mm length, 1200mm width, and 100mm thickness.\u003cbr\u003e\u003cbr\u003eManufactured from expanded polystyrene beads fused into a rigid, lightweight sheet, this board provides reliable compressive strength and dimensional stability across a broad range of construction applications.\u003cbr\u003e\u003cbr\u003eRated to EPS100 grade, it achieves a compressive strength of 100kPa, making it suitable for use beneath non-structural or lightly loaded floor systems, as well as in general insulation build-ups. While not classed as a load-bearing structural material, EPS100 maintains shape and support when used under screeds, slabs, or flooring layers subject to standard domestic or light commercial loads.\u003cbr\u003e\u003cbr\u003eDesigned for use in floors, walls, and roofs, it offers easy handling, precise cutting, and quick installation. The overall dimensions of 2400mm x 1200mm x 100mm offer maximum material depth for improved basic thermal resistance.\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: EPS100 rating provides 100kPa resistance under compression, suitable for non-structural flooring and general insulation applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight composition\u003c\/strong\u003e: Easy to handle, cut, and fit with standard tools, reducing installation time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-application suitability\u003c\/strong\u003e: Compatible with floors, walls, and roofs in both new-build and retrofit projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard size 2400mm x 1200mm x 100mm\u003c\/strong\u003e: Provides maximum thickness within the EPS100 range for deeper void filling and standard-grade insulation 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\u003eFloor insulation\u003c\/strong\u003e: Suitable beneath screeds, ground-bearing slabs, or suspended floors where compressive stability is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall lining and cavity fill\u003c\/strong\u003e: Provides modest thermal resistance in internal linings or cavity walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof insulation\u003c\/strong\u003e: Used in flat or pitched roof systems under membranes or deck coverings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerimeter insulation\u003c\/strong\u003e: Ensures continuity of insulation around slab edges or external walls.\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\u003eSurface preparation\u003c\/strong\u003e: Ensure substrate is level, clean, and dry before laying boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard fixing\u003c\/strong\u003e: Lay boards tightly with staggered joints to prevent thermal bridging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesive or mechanical fixing\u003c\/strong\u003e: Use approved insulation adhesives or fixings suited to substrate and application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting\u003c\/strong\u003e: Trim boards with a fine-toothed saw or hot wire cutter for accurate fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection\u003c\/strong\u003e: Avoid prolonged UV exposure and protect from solvents or hydrocarbons.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; 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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 loading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental management:\u003c\/strong\u003e Produced under ISO 9001, ISO 14001, BS OHSAS 18001, and ISO 50001 certified systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture considerations:\u003c\/strong\u003e Must be installed above a damp proof membrane and not used in direct contact with subsoil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Offers long service life when protected within the floor assembly and supported by suitable construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e Handle with standard site PPE, avoid solvent-based adhesives containing methyl ethyl ketone, and ensure boards are protected from harsh solvents or acids before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"K103 \/ 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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. Protect from ignition sources and prolonged sunlight exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"100mm","offer_id":53771587715183,"sku":"3004032","price":82.8,"currency_code":"GBP","in_stock":true},{"title":"120mm","offer_id":53771587747951,"sku":"3004033","price":74.52,"currency_code":"GBP","in_stock":true},{"title":"30mm","offer_id":53771587780719,"sku":"3004035","price":86.94,"currency_code":"GBP","in_stock":true},{"title":"40mm","offer_id":53771587813487,"sku":"3004036","price":82.8,"currency_code":"GBP","in_stock":true},{"title":"50mm","offer_id":53771587846255,"sku":"3004037","price":82.8,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":53771587879023,"sku":"3004038","price":86.94,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":53771587911791,"sku":"3004039","price":82.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Kingspan_GreenGuard_Extruded_Polystyrene_300kpa_-_Photo_Resized.jpg?v=1783758931"},{"product_id":"100mm-celotex-ga4100-pir-insulation-board-2400mm-x-1200mm","title":"100mm Celotex GA4100 PIR Insulation Board 2400mm x 1200mm","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eFoil-faced PIR insulation board, measuring 100mm in thickness for use in floors, walls, and roofs. \u003cbr\u003e\u003cbr\u003eManufactured as part of the GA4000 range, it is intended for general application, meaning it can be confidently specified across a broad spectrum of build-ups without the need for specialist products.\u003cbr\u003e\u003cbr\u003eThe board consists of a rigid polyisocyanurate (PIR) core faced with low-emissivity foil on both sides. 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 Building Control Officer or Architect to confirm this thickness meets the legal U-value requirements for your specific build.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eWhat Customers Are Saying\u003c\/h2\u003e\u003cp\u003eCustomers consistently praise the Celotex GA4100 for its ease of cutting and fitting, particularly in summerhouse, loft conversion and extension projects. Several reviewers highlight how cleanly the boards slot between studs and rafters with minimal waste. Delivery speed and condition on arrival are frequently mentioned, with buyers noting boards arrived undamaged and on schedule. Trade professionals and DIYers alike rate the thermal performance highly, with multiple customers reporting noticeable improvements in room temperature. The competitive pricing compared to other PIR boards is a recurring positive, with several repeat buyers citing Materials Market as their preferred supplier.\u003cbr\u003e\u003cbr\u003e\u003cem\u003eSummarised by AI from customer reviews.\u003c\/em\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"100mm","offer_id":53771588206703,"sku":"3001017","price":50.39,"currency_code":"GBP","in_stock":true},{"title":"110mm","offer_id":53771588239471,"sku":"3001018","price":58.98,"currency_code":"GBP","in_stock":true},{"title":"120mm","offer_id":53771588272239,"sku":"3001019","price":63.6,"currency_code":"GBP","in_stock":true},{"title":"125mm","offer_id":53771588305007,"sku":"3001153","price":74.03,"currency_code":"GBP","in_stock":true},{"title":"130mm","offer_id":53771588337775,"sku":"3001020","price":73.28,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":53771588370543,"sku":"3001021","price":73.08,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":53771588403311,"sku":"3001022","price":75.59,"currency_code":"GBP","in_stock":true},{"title":"165mm","offer_id":53771588436079,"sku":"3001308","price":108.6,"currency_code":"GBP","in_stock":true},{"title":"200mm","offer_id":53771588468847,"sku":"3001309","price":140.95,"currency_code":"GBP","in_stock":true},{"title":"20mm","offer_id":53771588501615,"sku":"3001023","price":21.36,"currency_code":"GBP","in_stock":true},{"title":"25mm","offer_id":53771588534383,"sku":"3001024","price":19.98,"currency_code":"GBP","in_stock":true},{"title":"30mm","offer_id":53771588567151,"sku":"3001025","price":21.94,"currency_code":"GBP","in_stock":true},{"title":"40mm","offer_id":53771588599919,"sku":"3001026","price":26.88,"currency_code":"GBP","in_stock":true},{"title":"50mm","offer_id":53771588632687,"sku":"3001027","price":28.08,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":53771588665455,"sku":"3001028","price":36.06,"currency_code":"GBP","in_stock":true},{"title":"70mm","offer_id":53771588698223,"sku":"3001029","price":39.95,"currency_code":"GBP","in_stock":true},{"title":"75mm","offer_id":53771588730991,"sku":"3001030","price":41.99,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":53771588763759,"sku":"3001031","price":44.04,"currency_code":"GBP","in_stock":true},{"title":"90mm","offer_id":53771588796527,"sku":"3001032","price":48.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/100mm_celotex_sheet_logo.jpg?v=1783758935"}],"url":"https:\/\/supplyyard.co.uk\/collections\/floor-insulation.oembed","provider":"Supply Yard","version":"1.0","type":"link"}