{"title":"Building Membranes","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eBuilding membranes help manage moisture and air movement within roofs, walls and floors. The right product depends on the construction and whether you need breathability, vapour control, airtightness or waterproofing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOptions include \u003c\/span\u003e\u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/products\/tyvek-housewrap-breather-membrane-1-4m-x-100?_pos=1\u0026amp;_psq=Tyvek+HouseWrap\u0026amp;_psid=e82ac67ec\u0026amp;_ss=e\" title=\"Tyvek HouseWrap\"\u003e\u003cstrong\u003e\u003cspan\u003eTyvek HouseWrap\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e to protect wall structures from external moisture while allowing water vapour to escape, \u003c\/span\u003e\u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/products\/novia%C2%AE-black-essential-roof-and-wall-breather-membrane-1-5m-x-50m?_pos=1\u0026amp;_psq=Novia+Black%2B+Essential\u0026amp;_psid=2d403e915\u0026amp;_ss=e\" title=\"Novia Black+ Essential\"\u003e\u003cstrong\u003e\u003cspan\u003eNovia Black+ Essential\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e for a lightweight, economical breather membrane, and \u003c\/span\u003e\u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/products\/novia-500g-avcl?_pos=1\u0026amp;_psq=Novia+500G\u0026amp;_psid=7139a41e8\u0026amp;_ss=e\" title=\"Novia 500G Air and Vapour Control Layer\"\u003e\u003cstrong\u003e\u003cspan\u003eNovia 500G Air and Vapour Control Layer\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e to restrict moisture vapour entering the structure from indoors and help reduce air leakage when correctly sealed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBrowse our range below and compare building membranes by application, vapour resistance, water resistance, fire classification and roll size to find a suitable product for your project.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","products":[{"product_id":"ecotherm-eco-fix","title":"Ecotherm Eco-Fix - 2400mm x 1200mm - All Thicknesses","description":"\u003cp\u003eEcotherm Eco-Fix (previously known as Inno-Fix) PIR insulation boards offer a simple, lightweight solution for use on new \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/roof-insulation\" title=\"roof insulation\"\u003eroofs\u003c\/a\u003e or to upgrade the thermal performance of existing roofs. The rigid boards are specifically designed for use with single-ply waterproofing membranes on concrete, metal, or timber decks, achieving a thermal conductivity of 0.022 W\/mK.\u003c\/p\u003e","brand":"Ecotherm","offers":[{"title":"25mm (12 boards = 34.56m²) - Per pack","offer_id":48248511201627,"sku":"48248511201627","price":2109.0,"currency_code":"GBP","in_stock":true},{"title":"50mm (6 boards = 17.28m²) - Per pack","offer_id":48248511234395,"sku":"48248511234395","price":2067.0,"currency_code":"GBP","in_stock":true},{"title":"60mm (5 boards = 14.4m²) - Per pack","offer_id":48248511267163,"sku":"48248511267163","price":1926.0,"currency_code":"GBP","in_stock":true},{"title":"80mm (4 boards = 11.52m²) - Per pack","offer_id":48248511332699,"sku":"48248511332699","price":1680.0,"currency_code":"GBP","in_stock":true},{"title":"90mm (3 boards = 8.64m²) - Per pack","offer_id":48248511365467,"sku":"48248511365467","price":1651.0,"currency_code":"GBP","in_stock":true},{"title":"100mm (3 boards = 8.64m²) - Per pack","offer_id":48248511398235,"sku":"48248511398235","price":1837.0,"currency_code":"GBP","in_stock":true},{"title":"110mm (3 boards = 8.64m²) - Per pack","offer_id":48248511431003,"sku":"48248511431003","price":2014.0,"currency_code":"GBP","in_stock":true},{"title":"120mm (2 boards = 5.76m²) - Per pack","offer_id":48248511463771,"sku":"48248511463771","price":1523.0,"currency_code":"GBP","in_stock":true},{"title":"130mm (2 boards = 5.76m²) - Per pack","offer_id":48248511496539,"sku":"48248511496539","price":1530.0,"currency_code":"GBP","in_stock":true},{"title":"140mm (2 boards = 5.76m²) - Per pack","offer_id":48248511529307,"sku":"48248511529307","price":1843.0,"currency_code":"GBP","in_stock":true},{"title":"150mm (2 boards = 5.76m²) - Per pack","offer_id":48248511562075,"sku":"48248511562075","price":1994.0,"currency_code":"GBP","in_stock":true},{"title":"160mm (2 boards = 5.76m²) - Per pack","offer_id":48248511594843,"sku":"48248511594843","price":1791.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Inno-Fix.png?v=1715773586"},{"product_id":"unilin-fr-alu-1200mm-x-2400mm-all-thicknesses","title":"Unilin FR\/ALU - 2400mm x 1200mm - All Thicknesses","description":"\u003cp\u003eUnilin FR\/ALU is a high performance Polyisocyanurate \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/flat-roof-insulation\" title=\"flat roof insulation\"\u003eflat roof insulation\u003c\/a\u003e with vapour-tight aluminium foil facings suitable for use with single ply membranes. FR\/ALU is part of the comprehensive range of Unilin’s high performance flat roof boards providing total solutions for flat roof projects.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Unilin","offers":[{"title":"25mm (2.88m²) - Per board","offer_id":48256600342875,"sku":"48256600342875","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"30mm (2.88m²) - Per board","offer_id":48256600375643,"sku":"48256600375643","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"40mm (2.88m²) - Per board","offer_id":48256600408411,"sku":"48256600408411","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"50mm (2.88m²) - Per board","offer_id":48256600441179,"sku":"48256600441179","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"60mm (2.88m²) - Per board","offer_id":48256600473947,"sku":"48256600473947","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"70mm (2.88m²) - Per board","offer_id":48256600506715,"sku":"48256600506715","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"80mm (2.88m²) - Per board","offer_id":48256600539483,"sku":"48256600539483","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"90mm (2.88m²) - Per board","offer_id":48256600572251,"sku":"48256600572251","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"100mm (2.88m²) - Per board","offer_id":48256600605019,"sku":"48256600605019","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"110mm (2.88m²) - Per board","offer_id":48256600637787,"sku":"48256600637787","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"120mm (2.88m²) - Per board","offer_id":48256600670555,"sku":"48256600670555","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"130mm (2.88m²) - Per board","offer_id":48256600703323,"sku":"48256600703323","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"140mm (2.88m²) - Per board","offer_id":48256600736091,"sku":"48256600736091","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"150mm (2.88m²) - Per board","offer_id":48256600768859,"sku":"48256600768859","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"160mm (2.88m²) - Per board","offer_id":48256600801627,"sku":"48256600801627","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/UnilinXtrathermFRALU-square.jpg?v=1715851289"},{"product_id":"unilin-tr-mg-1200mm-x-1200mm-all-thicknesses","title":"Unilin TR\/MG  - 1200mm x 1200mm - All Thicknesses","description":"\u003cp\u003eUnilin Tapered Roof MG is a high-performance Polyisocyanurate (PIR) insulation board with mineral-coated glass facers, suitable for use beneath single-ply fully adhered roof membranes, single-ply waterproofing systems, and partially bonded built-up felt. An Environmental Product Declaration (EPD), certified by the Irish Green Building Council (IGBC), is available for this product. For further details, please contact technical support.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Unilin","offers":[{"title":"30-50mm (1.44m²) - Per board","offer_id":48403955089755,"sku":"48403955089755","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"50-70mm (1.44m²) - Per board","offer_id":48403955122523,"sku":"48403955122523","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"70-90mm (1.44m²) - Per board","offer_id":48403955155291,"sku":"48403955155291","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"90-110mm (1.44m²) - Per board","offer_id":48403955188059,"sku":"48403955188059","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/UnilinXtrathermTRMG-square.jpg?v=1717413804"},{"product_id":"foamglas®-ready-t4-600mm-x-450mm-all-thicknesses","title":"Foamglas® Ready T4+ - 600mm x 450mm - All Thicknesses","description":"\u003cp\u003e\u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/foamglas\" title=\"Foamglas Brand Page\"\u003eFOAMGLAS\u003c\/a\u003e® READY T4+ consists of a FOAMGLAS® T4+ slab. The upper surface is covered with a PE foil, allowing for direct torch-on of waterproofing sheets. READY insulation products have a factory-applied top layer suitable for accepting site-applied torch-on membranes. When installed with hot or cold adhesives and adhesive-filled joints, they provide excellent thermal and moisture protection.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Foamglas","offers":[{"title":"40mm (12 blocks = 3.24m²) - per pack","offer_id":48530611339611,"sku":"48530611339611","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"50mm (10 blocks = 2.70m²) - per pack","offer_id":48530611372379,"sku":"48530611372379","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"60mm (1 blocks = 0.27m²) - per pack","offer_id":48530611405147,"sku":"48530611405147","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"70mm (1 blocks = 0.27m²) - per pack","offer_id":48530611437915,"sku":"48530611437915","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"80mm (1 blocks = 0.27m²) - per pack","offer_id":48530611470683,"sku":"48530611470683","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"90mm (1 blocks = 0.27m²) - per pack","offer_id":48530611503451,"sku":"48530611503451","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"100mm (1 blocks = 0.27m²) - per pack","offer_id":48530611536219,"sku":"48530611536219","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"110mm (1 blocks = 0.27m²) - per pack","offer_id":48530611568987,"sku":"48530611568987","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"120mm (1 blocks = 0.27m²) - per pack","offer_id":48530611601755,"sku":"48530611601755","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"130mm (1 blocks = 0.27m²) - per pack","offer_id":48530611634523,"sku":"48530611634523","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"140mm (1 blocks = 0.27m²) - per pack","offer_id":48530611667291,"sku":"48530611667291","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"150mm (1 blocks = 0.27m²) - per pack","offer_id":48530611700059,"sku":"48530611700059","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"160mm (1 blocks = 0.27m²) - per pack","offer_id":48530611732827,"sku":"48530611732827","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"170mm (1 blocks = 0.27m²) - per pack","offer_id":48530611765595,"sku":"48530611765595","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"180mm (1 blocks = 0.27m²) - per pack","offer_id":48530611798363,"sku":"48530611798363","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"190mm (1 blocks = 0.27m²) - per pack","offer_id":48530611831131,"sku":"48530611831131","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"200mm (1 blocks = 0.27m²) - per pack","offer_id":48530611863899,"sku":"48530611863899","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/T4_ReadyBlock.jpg?v=1718788219"},{"product_id":"rockwool-acoustic-membrane-all-thicknesses","title":"Rockwool Acoustic Membrane - All Thicknesses","description":"\u003cp\u003eComplementing the acoustic performance of HARDROCK® Multi-Fix, ROCKWOOL Acoustic Membrane is a high-performance, sound-deadening polymeric layer designed to enhance the acoustic properties of a roof build-up. This is suitable for buildings requiring high acoustic performance, such as schools, hospitals, cinemas, airports, arenas, and leisure developments.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Rockwool","offers":[{"title":"2.5mm (7.38m²) per pack | 6050mm  x 1220mm","offer_id":48561393893723,"sku":"48561393893723","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"5mm (4.8m²) per pack | 4000mm  x 1220mm","offer_id":48561393926491,"sku":"48561393926491","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/rockwool-acoustic-membrane.jpg?v=1719314477"},{"product_id":"actis-multidhesif-tape-20m-x-100mm","title":"Actis Multidhesif Tape - 20m x 100mm","description":"\u003cp\u003eACTIS recommend using 'MULTIDHESIF Tape' when installing our membranes, as it is designed to adhere to the coarse texture. The tape can also be used for joining thin multifoil insulation products, provided temperature resistance is not of prime importance (i.e., below 75°C for an extended period and under moderate stress).\u003c\/p\u003e\n\u003c!----\u003e","brand":"Actis","offers":[{"title":"Default Title","offer_id":48572551266651,"sku":"48572551266651","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/multidhesiftape.jpg?v=1719495449"},{"product_id":"actis-boostr-hybrid","title":"Actis Boost'r Hybrid Breather Membrane Multifoil Insulation","description":"\u003cp\u003eBoost'r Hybrid is a multifoil insulation product featuring a built-in breathable membrane function and outstanding thermal performance.\u003c\/p\u003e\n\u003cp\u003eThis product offers dual functionality by combining a breathable membrane with insulation, streamlining installation steps and reducing the thickness of the main insulation needed to achieve the required U-value. It is versatile and can be used alongside any type of insulation.\u003c\/p\u003e\n\u003cp\u003eBoost'r Hybrid is specifically designed for use on the cold side of the building fabric, enhancing its effectiveness in managing moisture and maintaining thermal efficiency.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Actis","offers":[{"title":"35mm +\/- 5mm (16m²) per pack | 10670mm x 1500mm","offer_id":48573386162523,"sku":"48573386162523","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/boost_r.jpg?v=1719498381"},{"product_id":"actis-boostr-hybrid-roof","title":"Actis Boost'r Hybrid Roof Breather Membrane","description":"\u003cp\u003eBoost'r Hybrid Roof is a specialised version of Boost'r Hybrid Roof, designed specifically for use on \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/roof-insulation\" title=\"roof insulation\"\u003eroofs.\u003c\/a\u003e It retains all the same features and benefits, including exceptional thermal performance and a built-in breather membrane function. This water vapour permeable roofing underlay also acts as a wind barrier and includes a self-adhesive lap for easy sealing of joints between adjacent sheets.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Actis","offers":[{"title":"35mm +\/- 5mm (15m²) per pack | 10000mm x 1500mm","offer_id":48574068785499,"sku":"48574068785499","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/boost_r_roof.jpg?v=1738162915"},{"product_id":"actis-isodhesif-tape-100mm-x-25m","title":"Actis Isodhesif Tape - 100mm x 25m","description":"\u003cp\u003eA metallised polyester film featuring a water-based acrylic adhesive with excellent initial and long-term adhesion. This tape is suitable for all multifoil insulation products. However, for optimal performance with our membranes, we recommend using our MULTIDHESIF Tape.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Actis","offers":[{"title":"Default Title","offer_id":48578670526811,"sku":"48578670526811","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/isodhesiftape.jpg?v=1719570086"},{"product_id":"superfoil-sftv1l-20m-x-1200mm","title":"Superfoil SFTV1L - 20m x 1200mm","description":"\u003cp\u003eSuperFOIL SFTV insulation is the ultimate all-purpose building membrane, suitable for \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/floor-insulation\" title=\"floor insulation\"\u003efloors\u003c\/a\u003e, \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewalls\u003c\/a\u003e, and \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/roof-insulation\" title=\"roof insulation\"\u003eroofs\u003c\/a\u003e, offering water and vapor resistance for any project. Its foil radiant barrier minimises solar heat gain in summer and bolsters insulation in winter. Moreover, its reflective properties contribute to the building’s overall uValue, making it an ideal choice for maximising energy performance in retrofit and new build projects.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Superfoil","offers":[{"title":"Default Title","offer_id":48578924446043,"sku":"48578924446043","price":44.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/SuperfoilSFTV1L.jpg?v=1719572848"},{"product_id":"superfoil-sfbb-25m-x-1-5m","title":"Superfoil SFBB - 25m x 1.5m","description":"\u003cp\u003eSuperFOIL SFBB stands as the UK’s top-value reflective watertight high-tech breather membrane. In on-site energy assessments, it’s shown that foil breathers offer advantages over traditional non-reflective versions. SFBB acts as a barrier to air movement while facilitating moisture escape, thereby reducing condensation risks in buildings. Effective control of air leakage is crucial for enhancing energy efficiency further\u003c\/p\u003e\n\u003c!----\u003e","brand":"Superfoil","offers":[{"title":"\u003c1mm (37.5m²) - per roll","offer_id":48597614592347,"sku":"48597614592347","price":78.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/SuperfoilSFBB.webp?v=1719916672"},{"product_id":"superfoil-sf40bb-10m-x-1-5","title":"Superfoil SF40BB - 10m x 1.5","description":"\u003cp\u003e\u003cspan\u003eSuperFOIL SF40BB is an ideal choice for new builds, extensions, and renovations. This 2-in-1 multifoil insulation and breather membrane, featuring 40% recycled materials, 19 layers, and a 75mm thickness, can be used independently or as part of a comprehensive insulation system to attain specific uValues. With its W1 watertightness, it effectively safeguards \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewalls\u003c\/a\u003e and \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/floor-insulation\" title=\"floor insulation\"\u003efloors\u003c\/a\u003e against damp, mould growth, and condensation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Superfoil","offers":[{"title":"75mm (15m²) - per roll","offer_id":48598408233307,"sku":"48598408233307","price":235.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/SuperfoilSF40BB.webp?v=1719927028"},{"product_id":"superfoil-sf19bb-10m-x-1-2m","title":"Superfoil SF19BB - 10m x 1.2m","description":"\u003cp\u003e\u003cspan\u003eThe SF19BB insulation stands out as a competitive and high-performing solution, surpassing other manufacturers with its innovative construction and design. This includes four loft quilt layers, one perforated reinforced heavy-duty outer reflective foil, one aluminium-coated breather membrane, and three perforated aluminium-coated reflective foil PET layers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Superfoil","offers":[{"title":"40mm (12m²) - per roll","offer_id":48610665988443,"sku":"48610665988443","price":147.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/SuperfoilSF19BB.webp?v=1720087818"},{"product_id":"polythene","title":"General Purpose Polythene - 4m x 25m - 100m² Roll","description":"\u003cp\u003eThe Clear Heavy Duty Polythene Sheeting, with a thickness of 1000 Gauge, serves as an excellent super heavyweight dust cover during decorating, building, or DIY work. Its transparency allows for visibility while providing robust protection in various applications. The Black DPM (Damp Proof Membrane) polythene plastic sheet features high tear resistance, impressive tensile strength, and holds BBA (British Board of Agreement) approval. This heavy-duty black polythene sheeting serves as an excellent resistant membrane, particularly for use in concrete flooring. It adheres to local building regulations, ensuring compliance and reliability in construction applications.\u003c\/p\u003e\n\u003c!----\u003e","brand":"General Purpose","offers":[{"title":"1000 gauge (Clear)","offer_id":48641206813019,"sku":"48641206813019","price":39.96,"currency_code":"GBP","in_stock":true},{"title":"500 gauge (Clear)","offer_id":48641206845787,"sku":"48641206845787","price":30.78,"currency_code":"GBP","in_stock":true},{"title":"1200 gauge (Black)","offer_id":48641206878555,"sku":"48641206878555","price":38.23,"currency_code":"GBP","in_stock":true},{"title":"500 gauge (Black)","offer_id":48641206911323,"sku":"48641206911323","price":30.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/polytheneblack.jpg?v=1720536355"},{"product_id":"aim-angle-fillet-for-flat-roofing","title":"AIM Angle Fillet For Flat Roofing - 1000mm","description":"\u003cp\u003eAIM Angle Fillets are designed to modify corner angles from 90° to 45° at horizontal and vertical abutments on \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/flat-roof-insulation\" title=\"flat roof insulation\"\u003eflat roofs\u003c\/a\u003e that are being waterproofed with a membrane system. AIM Angle Fillets are primarily made from rock mineral wool, but \u003cstrong\u003ecan also be manufactured from PIR, XPS, or EPS insulation\u003c\/strong\u003e. They are available in triangular or truncated profiles and \u003cstrong\u003ecan be cut to specified dimensions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"AIM","offers":[{"title":"50 x 50mm (triangular or truncated)","offer_id":48641285423451,"sku":"48641285423451","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/angleendfillet.jpg?v=1720603006"},{"product_id":"tyvek®-airguard®-a2-fr-1-2m-x-50m","title":"Tyvek® AirGuard® A2 FR - 1.2m x 50m","description":"\u003cp\u003eThis DuPont™ AirGuard® A2 Fire-Rated Airtight Vapour Control Layer is a high-performance building material designed to create airtight and watertight building envelopes. It effectively prevents the infiltration of air, moisture, and vapour, safeguarding your property from damage and enhancing energy efficiency.\u003c\/p\u003e\n\u003cp\u003eMeasuring 1200mm x 50m, this AirGuard® A2 Fire-Rated Airtight Vapour Control Layer is suitable for covering large areas of construction projects. It features a laminate of glass fibre mesh with lacquered aluminium foil, providing superior resistance to moisture and air penetration. Additionally, it boasts excellent tear and tensile strength, making it resistant to tearing by hand.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48651227627867,"sku":"48651227627867","price":477.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/tyvek-airguard-reflective.jpg?v=1720687561"},{"product_id":"tyvek-airguard-control","title":"Tyvek Airguard Control Layer - 1.5m x 50m","description":"\u003cp\u003eDuPont™ AirGuard® Control forms a continuous layer that effectively minimises air leakage, acting as a vapor control barrier to manage both air movement and moisture infiltration within the building’s habitable space.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48651850449243,"sku":"48651850449243","price":163.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/airguard-control-40830.jpg?v=1720708619"},{"product_id":"thermafleece-breather-membrane-all-thicknesses","title":"Thermafleece Breather Membrane - All Thicknesses","description":"\u003cp\u003eThermafleece Breather Membrane is a lightweight, vapour-permeable underlay designed for use in floors and walls or as a protective layer on top of insulation. The material complies with EN 13859-1 for pitched roofing and EN 13859-2 for walls. It offers good water resistance, high breathability, and ease of handling. The membrane is black on one side and grey on the other, with no text or images. It consists of three layers: two outer layers of non-woven polypropylene and an inner layer of breathable microporous film.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Thermafleece","offers":[{"title":"\u003c1mm (25m²) = 16.7m length x 1.5m width","offer_id":48653543145819,"sku":"48653543145819","price":174.1,"currency_code":"GBP","in_stock":true},{"title":"\u003c1mm (75m²) = 50m length x 1.5m width","offer_id":48653543178587,"sku":"48653543178587","price":474.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Thermafleece-Breather-Membrane-Black.png?v=1721053533"},{"product_id":"tyvek-airguard-reflective-1-5m-x-50m","title":"Tyvek Airguard Reflective - 1.5m x 50m","description":"\u003cp\u003eThis strong, 100% airtight vapour barrier is specially designed to maximise thermal performance. Recommended for use with Tyvek® Reflex products, AirGuard® Reflective improves U-values in buildings. This highly vapour and water-resistant, low emissivity internal vapour barrier significantly reduces interstitial condensation and enhances thermal efficiency by reflecting up to 95% of radiant heat.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48662573875547,"sku":"48662573875547","price":163.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/tyvek-airguard-reflective_bf418352-c985-4f55-b45a-ad2377aba87b.jpg?v=1720782420"},{"product_id":"tyvek-airguard-reflective-e","title":"Tyvek Airguard Reflective E - 1.5m x 50m","description":"\u003cp\u003eThis robust, 100% airtight vapour barrier is specifically engineered to maximise thermal performance. Recommended for use with Tyvek® Reflex products, AirGuard® Reflective significantly enhances U-values in buildings. As a highly vapour and water-resistant, low emissivity internal vapour barrier, it effectively reduces interstitial condensation and boosts thermal efficiency by reflecting up to 95% of radiant heat.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48663901471067,"sku":"48663901471067","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/tyvek-airguard-reflective_e54f4040-614e-4a13-a215-16e21884a345.jpg?v=1721036384"},{"product_id":"tyvek-airguard-tape-60mm-x-25m","title":"Tyvek Airguard Tape - 60mm x 25m","description":"\u003cp\u003eA high-performance, single-sided acrylic tape designed for use on uneven surfaces. This flexible, hand-tearable tape has a very high tack, adhering effectively to both smooth and slightly rough surfaces such as PE films, spun-bond, wood, and PVC. It is suitable for airtight sealing of membrane laps, joints, and junctions, and can also be used around windows, doors, and penetrations such as pipework, wiring, and structural elements.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48678220333403,"sku":"48678220333403","price":21.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/dupont-airguard-tape.jpg?v=1721041504"},{"product_id":"tyvek-airguard-smart-1-5m-x-50m","title":"Tyvek Airguard Smart - 1.5m x 50m","description":"\u003cp\u003e\u003cspan\u003eTyvek® AirGuard® Smart safeguards against structural damage and the loss of insulation efficiency by intelligently adapting to diverse moisture conditions and regulating humidity within building components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48679318389083,"sku":"48679318389083","price":177.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/TyvekAirguard.png?v=1721055411"},{"product_id":"proctor-air®-breather-membrane-1m-x-50m","title":"Proctor Air® Breather Membrane - 1m x 50m","description":"\u003cp\u003eProctor Air® is an advanced roofing underlay designed for optimal air and vapour permeability, coupled with high water resistance. Its unique features enable effective ventilation in complex pitched roofs, eliminating the requirement for air gaps or additional venting. The innovative melt blown core within Proctor Air facilitates natural air circulation, significantly enhancing the removal of moisture vapour from the roof space and virtually preventing condensation formation.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48683293868379,"sku":"48683293868379","price":150.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/proctorair3.jpg?v=1721129631"},{"product_id":"proctor-wraptherm-all-thicknesses","title":"Proctor Wraptherm Membrane - All Thicknesses","description":"\u003cp\u003eWraptherm is a composite solution featuring a 10mm Spacetherm insulation blanket bonded to the face of a Wraptite vapour-permeable, airtight self-adhesive membrane. It offers enhanced airtightness levels and reduces thermal bridging, making it ideal for refurbishing existing buildings where both thermal and airtightness improvements are needed. Wraptherm is applied to the internal face of the existing façade, providing a vapour-neutral yet airtight layer that is fully self-adhered to the substrate. The Spacetherm insulation layer also helps reduce cold bridging, and additional insulation can be added within the framing to achieve the desired U-values for the refurbishment.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"11.5mm | 2400mm x 1200mm - per board","offer_id":48811240587611,"sku":"48811240587611","price":275.08,"currency_code":"GBP","in_stock":true},{"title":"11.5mm | 1200mm x 1200mm - per board","offer_id":48811240620379,"sku":"48811240620379","price":137.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Wraptherm-square.jpg?v=1723194800"},{"product_id":"proctor-wraptite-uv-50m-x-1-5m","title":"Proctor Wraptite UV Breather Membrane - 50m x 1.5m","description":"\u003cp\u003eWraptite UV is a Class B fire-rated membrane that offers a combination of exceptional vapour permeability and airtightness, tailored for use behind open-jointed cladding systems. This innovative, self-adhering product is designed to provide a “shadow” effect within open rainscreen façades, thanks to its superior water and UV resistance. Constructed from polyester with a functional coating, Wraptite UV features a proprietary acrylic moisture vapour permeable adhesive and a silicone-coated PET release liner for ease of application and durability.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48811535761755,"sku":"48811535761755","price":926.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Wraptite_UV_facade_Roll-square.jpg?v=1723198208"},{"product_id":"proctor-proctorwrap-breather-membrane-all-sizes","title":"Proctor Proctorwrap Breather Membrane - All Sizes","description":"\u003cp\u003eProctorwrap® is a spunbonded polypropylene film laminate designed as a breather membrane for timber frame and light steel frame applications. It can be applied either in the factory or on-site, providing effective protection against wind-driven rain, snow, and dust during construction. After installation, Proctorwrap's high water vapour permeability allows moisture to escape from within the timber frame while preventing the ingress of rain and external moisture, ensuring long-term durability and protection.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"1.35m x 100mm","offer_id":48838518833499,"sku":"48838518833499","price":110.0,"currency_code":"GBP","in_stock":true},{"title":"2.7m x 100mm","offer_id":48838518866267,"sku":"48838518866267","price":207.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/proctorwrap.jpg?v=1723713973"},{"product_id":"proctor-reflectatherm-plus-all-sizes","title":"Proctor Reflectatherm Plus - All Sizes","description":"\u003cp\u003eReflectatherm Plus is a reflective, high-resistance air and vapour control layer designed for use on internal walls, ceilings, and floors. It enhances thermal performance when installed on the warm side of the insulation. The membrane should be positioned with the foil side facing the cavity. For ceilings, it is placed between the underside of the rafters and the ceiling lining. Adjacent sheets should overlap by at least 150mm and be sealed with suitable tape. To ensure maximum efficiency, minimise service penetrations and seal all joints securely.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"1.5m x 50m","offer_id":48839418216795,"sku":"48839418216795","price":99.7,"currency_code":"GBP","in_stock":true},{"title":"2.7m x 100m","offer_id":54235292139867,"sku":"54235292139867","price":333.7,"currency_code":"GBP","in_stock":true},{"title":"3m x 100m","offer_id":54235292172635,"sku":"54235292172635","price":363.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/reflectatherm.jpg?v=1723730370"},{"product_id":"proctor-probreathe-fr-tape","title":"Proctor Probreathe FR Tape - 75mm x 25m","description":"\u003cp\u003eProbreathe FR Tape is a black adhesive tape designed for use with our Probreathe A2 and Probreathe A2 Air vapour permeable membranes.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48844336890203,"sku":"48844336890203","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Probreathe_FR_Tape_Black-square.jpg?v=1724056112"},{"product_id":"proctor-probreathe-fr-duo-tape-75mm-x-25m","title":"Proctor Probreathe FR Duo Tape - 50mm x 50m","description":"\u003cp\u003eProbreathe FR Duo Tape is an double sided adhesive tape designed for use with our Probreathe A2 and Probreathe A2 Air vapour permeable membrane.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48863318180187,"sku":"48863318180187","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/probreathefrduo.jpg?v=1724056995"},{"product_id":"proctor-probreathe-a2","title":"Proctor Probreathe A2 - 1.5m x 50m","description":"\u003cp\u003eProbreathe® A2 is an airtight, woven glass fibre membrane with a PU coating that offers a combination of breathability, water resistance, and airtightness. It holds a Reaction to Fire classification of A2-s1,d0, making it suitable for installation either free-hanging or on substrates with a minimum classification of A2-s1,d0.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48863359992155,"sku":"48863359992155","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/probreatheA2.jpg?v=1724059994"},{"product_id":"proctor-probreathe-a2-air-1-5m-x-50m","title":"Proctor Probreathe A2 Air - 1.5m x 50m","description":"\u003cp\u003eProbreathe® A2 Air is a woven glass fibre membrane engineered to enhance water resistance and breathability in building fabrics. This air-permeable membrane can be installed directly onto the sheathing board or over insulation, offering a Reaction to Fire classification of A2-s1,d0.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48863697994075,"sku":"48863697994075","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/probreatheA2air.jpg?v=1724061955"},{"product_id":"proctor-fireshield","title":"Proctor Facadeshield UV - 1.5m x 50m","description":"\u003cp\u003eFaçadeshield® UV is expertly designed to maintain water resistance and breathability behind open-jointed cladding, ensuring the building fabric remains protected and efficient. This non-woven breathable membrane combines exceptional water and UV resistance with an aesthetically pleasing dark colour, providing a subtle \"shadow\" effect within open rainscreen façades. Façadeshield® UV enhances air tightness while allowing high vapour permeability, thus reducing the risk of condensation and improving the building's overall performance. Certified with a CE Mark, it guarantees suitability for façade applications, making it the ideal choice for effective moisture management and durability behind open-jointed cladding.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48864097304923,"sku":"48864097304923","price":388.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/facadeshield.jpg?v=1724069113"},{"product_id":"proctor-procheck-a2-1-2m-x-50m","title":"Proctor Procheck A2 - 1.2m x 50m","description":"\u003cp\u003eProcheck® A2 is a high-performance vapour and airtight membrane designed to enhance fire safety and energy efficiency in building construction. With a Class A2-s1,d0 fire classification to BS EN 13501-1, it is considered non-combustible and contributes no fuel to fire. The membrane's composition, featuring a glass fibre backing, pure aluminium foil, and a clear lacquer coating, ensures its exceptional fire resistance and high vapour control properties. Its high vapour resistance and airtightness make it ideal for use as an AVCL, helping to maintain thermal efficiency and reduce energy loss in buildings.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48864882065755,"sku":"48864882065755","price":312.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/procheckA2.jpg?v=1724074819"},{"product_id":"proctor-procheck-fr200-1-6m-x-50m","title":"Proctor Procheck FR200 - 1.6m x 50m","description":"\u003cp\u003eProcheck FR200 is a reliable vapour control layer designed for use in roof and wall structures for both new builds and renovation projects. With a Reaction to Fire classification of B-s1,d0, it offers enhanced fire performance, ensuring safety and compliance with building standards. This air and vapour-tight membrane not only improves energy efficiency by minimising heat loss but also reduces the risk of condensation, contributing to a healthier and more durable building structure.\u003c\/p\u003e\n\u003c!----\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48865156727131,"sku":"48865156727131","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/procheckfr200.jpg?v=1724077042"},{"product_id":"proctor-protech-gm-super","title":"Proctor Protech GM Super - 2m x 50m","description":"\u003cp\u003eProtech GM Super Gas Membrane is a high-performance, reinforced LDPE gas barrier designed for use in new developments to protect against the ingress of Methane, Carbon Dioxide, and Radon. The membrane features a loose-laid installation and incorporates an aluminium foil layer, ensuring robust protection. It fully complies with the guidelines set out in Ciria 665, BS 8485, and The Local Authority Ground Gas Handbook when installed in accordance with BRE 414. This comprehensive protection makes Protech GM Super Gas Membrane an ideal choice for safeguarding building foundations from harmful ground gases.\u003c\/p\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48892497363291,"sku":"48892497363291","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/protechgmsuper.jpg?v=1724327416"},{"product_id":"proctor-protech-gm-pp","title":"Proctor Protech GM PP - 2m x 50m","description":"\u003cp\u003eProtech GM PP is a versatile, loose-laid geo-membrane primarily used as a waterproofing liner for applications such as attenuation tanks, balancing ponds, lagoons, and reed beds. Additionally, this membrane serves as an effective gas barrier, protecting against Methane and Carbon Dioxide in sites with complex foundation arrangements. Its design offers a high degree of flexibility and superior multi-dimensional stability, making it an ideal solution for challenging construction environments requiring both waterproofing and gas protection.\u003c\/p\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48893897736539,"sku":"48893897736539","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/protechgmpp.jpg?v=1724340733"},{"product_id":"proctor-protech-voc-flex","title":"Proctor Protech VOC Flex - 0.55mm x 2m x 50m","description":"\u003cp\u003eProtech VOC Flex is a high-performance, six-layer flexible reinforced VOC barrier designed to provide effective protection against harmful contaminants like hydrocarbons, commonly found on brownfield sites. Its flexible design simplifies installation, making it easier to work with on-site. Additionally, Protech VOC Flex can also function as a high-performance damp proof membrane, offering dual protection for construction projects.\u003c\/p\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48897039565147,"sku":"48897039565147","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/protechvocflex.jpg?v=1724403605"},{"product_id":"proctor-protech-radon-400-0-43mm-x-2m-x-50m","title":"Proctor Protech Radon 400 - 0.43mm x 2m x 50m","description":"\u003cp\u003eProtech Radon 400 is a high-performance, reinforced radon barrier designed to offer exceptional durability and flexibility, making it easy to install on-site. Its robust composition allows it to be effectively jointed using Protech tapes or through heat welding. Additionally, Protech Radon 400 functions as a high-performance damp proof membrane, eliminating the need for a separate DPM in construction projects.\u003c\/p\u003e","brand":"A Proctor Group","offers":[{"title":"Default Title","offer_id":48897149927771,"sku":"48897149927771","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/protechradon400.jpg?v=1724404741"},{"product_id":"foamglas-pc-activator-spray-10-litre","title":"Foamglas PC Activator Spray - 10 Litre","description":"\u003cp\u003ePC® ACTIVATOR SPRAY is a water-based polymer dispersion featuring styrene-butadiene copolymers. It is designed to activate PC® 800 in specific applications, including multi-layer systems or when applied over an existing clean bituminous membrane.\u003c\/p\u003e","brand":"Foamglas","offers":[{"title":"Default Title","offer_id":48897813119323,"sku":"48897813119323","price":29.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/PC800Activator.jpg?v=1724411406"},{"product_id":"thermic-technology-photonwrap-a1","title":"Thermic Technology PhotonWrap  A1 Breathable Reflective Membrane - 50m x 1.35m","description":"\u003cp\u003ePhotonWrap is a high-performance reflective breather membrane tailored to boost the thermal efficiency of \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/external-wall-insulation\" title=\"External wall insulation\"\u003eexternal walls\u003c\/a\u003e while minimising the potential for interstitial condensation. Its robust construction offers superior protection for external walls throughout the construction phase, shielding them from weather and environmental elements. By incorporating reflective properties, PhotonWrap contributes to improved thermal insulation, ensuring energy efficiency and comfort in both residential and commercial buildings. PhotonWrap-A1 is the first A1 non-combustible reflective breather membrane and whilst it was designed to enhance the thermal performance of timber frame walls it is suitable for use in many external wall types (timber frame, metal stud, concrete etc.) for buildings which pose a higher risk for fire safety: residential blocks of flats, student accommodations, care homes, sheltered housing, hospitals, dormitories in boarding schools with a storey above 18 m in height and high risk residential buildings (HRRB).\u003c\/p\u003e","brand":"Thermic Technology","offers":[{"title":"Default Title","offer_id":48928462176603,"sku":"48928462176603","price":589.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/photonwrapa1.jpg?v=1724931368"},{"product_id":"arc-t-barrier-pitched-roof-all-thicknesses","title":"ARC T-Barrier Pitched Roof - All Thicknesses","description":"\u003cp\u003eARC T-Barrier \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003ePitched Roof\u003c\/a\u003e provides fire stopping at the head of a block party wall, complying with NHBC 2017 7.2.16 standards. It is held in place by a compression fit within the party wall cavity, ensuring a secure position directly under the roofing membrane.\u003c\/p\u003e","brand":"ARC","offers":[{"title":"65\/65mm x 50mm\/300mm x 1200mm | 50mm Party Wall Cavity (Pack of 9)","offer_id":48929098465627,"sku":"48929098465627","price":161.75,"currency_code":"GBP","in_stock":true},{"title":"90\/75mm x 50mm\/300mm x 1200mm | 75mm Party Wall Cavity (Pack of 9)","offer_id":48929098498395,"sku":"48929098498395","price":165.0,"currency_code":"GBP","in_stock":true},{"title":"120\/100mm x 50mm\/300mm x 1200mm | 100mm Party Wall Cavity (Pack of 9)","offer_id":48929098531163,"sku":"48929098531163","price":172.0,"currency_code":"GBP","in_stock":true},{"title":"135\/120mm x 50mm\/300mm x 1200mm | 125mm Party Wall Cavity (Pack of 6)","offer_id":48929098563931,"sku":"48929098563931","price":123.05,"currency_code":"GBP","in_stock":true},{"title":"160\/120mm x 50mm\/300mm x 1200mm | 150mm Party Wall Cavity (Pack of 3)","offer_id":48929098596699,"sku":"48929098596699","price":64.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/T-Barrier_Pitched_Roof.png-downscaled.jpg?v=1756907958"},{"product_id":"thermic-technology-photoncheck-50m-x-1-35m","title":"Thermic Technology PhotonCheck-A1 Vapour Control Membrane - 50m x 1.35m","description":"\u003cp\u003ePhotonCheck is a high-performance reflective vapour control membrane engineered to enhance the thermal efficiency of wall, ceiling, or floor structures. By reflecting radiant heat, PhotonCheck helps to maintain desired indoor temperatures, improving energy efficiency and reducing heating or cooling costs. PhotonCheck-A1 is a versatile, non-combustible vapour control membrane for use in various \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/external-wall-insulation\" title=\"External wall insulation\"\u003eexternal wall types\u003c\/a\u003e, such as timber frame, metal stud, and concrete. It is particularly suitable for buildings that have a higher fire safety risk, including residential blocks of flats, student accommodations, care homes, sheltered housing, hospitals, dormitories in boarding schools with stories above 18 meters in height, and high-risk residential buildings (HRRB). PhotonCheck-A1 enhances thermal performance while prioritising fire safety, making it an ideal choice for use in high-rise buildings and other structures where fire resistance is critical.\u003c\/p\u003e","brand":"Thermic Technology","offers":[{"title":"Default Title","offer_id":48929138245979,"sku":"48929138245979","price":498.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/photoncheck.jpg?v=1724941297"},{"product_id":"arc-wired-tile-batten-barrier-all-thicknesses","title":"ARC Wired Tile Batten Barrier","description":"\u003cp\u003eARC Wired Tile Batten Barrier provides fire stopping between roof tiles and the roof membrane, in compliance with NHBC 2017 7.2.16. It can be quickly and easily installed during the fitting of tile battens, and is made from rockfibre mineral wool insulation.\u003c\/p\u003e","brand":"ARC","offers":[{"title":"50mm x 200mm x 1250mm | 5 lengths per pack","offer_id":48933981913435,"sku":"48933981913435","price":136.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Wired_Tile_Batten_Barrier_Whole_Open_Wire.png-downscaled.jpg?v=1756907767"},{"product_id":"itp-flameout-breathe-fr","title":"ITP FlameOut Breathe FR Class B - All Sizes","description":"\u003cp\u003eFlameOut Breathe is a Euroclass B flame-retardant breather membrane specifically designed for use in high-rise buildings. It offers W1 water tightness, providing maximum protection against rainwater ingress. FlameOut Breathe ensures enhanced fire safety and effective water resistance, making it ideal for applications where both fire performance and moisture management are crucial. Its compliance with stringent fire safety standards makes it suitable for a range of building projects, particularly in environments where fire risks and weather exposure are significant concerns.\u003c\/p\u003e","brand":"ITP","offers":[{"title":"1.5m x 50m - per roll","offer_id":49203217531227,"sku":"49203217531227","price":117.8,"currency_code":"GBP","in_stock":true},{"title":"3m x 50m - per roll","offer_id":49203217563995,"sku":"49203217563995","price":243.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/breathefr.jpg?v=1725018183"},{"product_id":"novia-black-ultra-roof-wall-breather","title":"Novia Black \u0026 Ultra 102GSM Roof \u0026 Wall Breather - 1.5m x 50m","description":"\u003cp\u003eNovia® Black+ Ultra Roof and Wall Breather Membrane is a lightweight, versatile option suitable for both \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003epitched\u003c\/a\u003e cold and warm roofs, as well as insulated \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewall \u003c\/a\u003eapplications. It meets the EN 13859-1 standard for pitched roofs and EN 13859-2 for walls, providing excellent water resistance while maintaining high breathability. It also complies with fire classification grade E under EN 13501-1. The membrane is black on one side, grey on the other, and features a 150mm overlap line with no additional text or images.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":48970209034587,"sku":"48970209034587","price":49.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Black_Ultimate2.jpg?v=1725615415"},{"product_id":"tyvek-firecurb-1","title":"Tyvek FireCurb Membrane - 1.5m x 50m","description":"\u003cp\u003eDuPont™ Tyvek® FireCurb® breather membrane is a lightweight, fire-retardant material that self-extinguishes upon ignition. It features a halogen-free flame-retardant coating that minimises the production of smoke and droplets, with reduced environmental impact.\u003c\/p\u003e\n\u003cp\u003eThis membrane combines the airtight, watertight, and vapour-permeable properties of Tyvek® breather membranes with enhanced flame retardancy, offering increased safety for buildings. It is suitable for a wide range of structures, from small homes to high-rise buildings, providing reliable long-term protection.\u003c\/p\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48970919477595,"sku":"48970919477595","price":265.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/dupont-tyvek-firecurb-breather-membrane---50m-x-1.5m-roll.jpg?v=1725620735"},{"product_id":"tyvek-supro","title":"Tyvek Supro Membrane - 1.5 x 50m","description":"\u003cp\u003eTyvek® Supro is a robust, water-resistant membrane reinforced with laminated polypropylene nonwoven. It provides airtight and vapour-permeable protection and is highly water-resistant, making it suitable for both supported and unsupported pitched roofs.\u003c\/p\u003e\n\u003cp\u003eThis membrane eliminates the need for soffit, tile, or ridge ventilation, which can streamline the construction process and reduce costs. Tyvek® Supro is versatile enough for use in warm, hybrid, and cold roof systems, as well as Scottish sarking board systems, low-pitched metal roofs, and various \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewall\u003c\/a\u003e and \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/floor-insulation\" title=\"floor insulation\"\u003efloor\u003c\/a\u003e applications.\u003c\/p\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48971012702555,"sku":"48971012702555","price":168.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/tyvek-supro-plus-gi-1652442041-1667812506.jpg?v=1725628759"},{"product_id":"tyvek-uv-facade","title":"Tyvek UV Facade Membrane - 1.5m x 50m","description":"\u003cp\u003eDuPont™ Tyvek® UV Facade is an advanced, lightweight protective membrane designed for this purpose. It offers exceptional moisture control, high vapour permeability, and durability, making it an ideal choice for protecting rainscreen cladding. Tyvek® UV Facade is water-resistant, vapour-permeable, and windtight, ensuring long-term performance. It also comes with a 10-year warranty from DuPont for joint widths up to 3 cm.\u003c\/p\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":48971451957595,"sku":"48971451957595","price":314.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/tyvek-uv-facade.jpg?v=1725628862"},{"product_id":"tyvek-butyl-tape","title":"Tyvek Butyl Tape - All Sizes","description":"\u003cp\u003eDuPont™ Tyvek® Butyl Tape is a butyl-based sealant specifically designed for use with Tyvek® breather membranes or AirGuard® AVCLs.\u003c\/p\u003e\n\u003cp\u003eThis double-sided tape is compatible with a wide range of building materials and provides airtight and watertight seals, withstanding both humidity and chemicals.\u003c\/p\u003e\n\u003cp\u003eTyvek® Butyl Tape works best when compressed, such as under a timber batten. It is ideal for use around perimeters, chimneys, abutments, nail penetrations, and electrical sockets.\u003c\/p\u003e","brand":"Tyvek","offers":[{"title":"20mm x 30m","offer_id":48986228916571,"sku":"48986059080027","price":13.57,"currency_code":"GBP","in_stock":true},{"title":"50mm x 30m","offer_id":48986228949339,"sku":"48986059080028","price":35.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/tyvek-butyl-tape-double-sided-from-dupont---20mm-x-30m-roll.jpg?v=1725870794"},{"product_id":"tyvek-housewrap-breather-membrane-1-4m-x-100","title":"Tyvek HouseWrap Breather Membrane - 1.4m x 100m","description":"\u003cp\u003eDuPont™ Tyvek® Housewrap is a high-performance breathable membrane ideal for timber frame wall systems and can also be used with steel frame and concrete wall constructions. It is surface-applied directly to sheathing ply\/OSB, insulation, or blockwork, offering long-term protection from the elements. Made from high-density polyethylene fibres, this durable and lightweight membrane is both windtight and water-resistant. Tyvek® Housewrap is suitable for new builds, refurbishments, or extensions, providing effective protection against moisture while allowing the structure to breathe.\u003c\/p\u003e","brand":"Tyvek","offers":[{"title":"Default Title","offer_id":49004468797787,"sku":"49004468797787","price":123.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/dupont-tyvek-housewrap--100m-x-1-4m-roll_c9cfd3bf-ac97-4bac-ad0b-82a44eeff2b4.jpg?v=1726134572"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/collections\/polythene_black.jpg?v=1722942477","url":"https:\/\/www.nationalinsulationsupplies.com\/collections\/building-membranes.oembed?page=7","provider":"National Insulation Supplies","version":"1.0","type":"link"}