{"title":"Breather Membranes","description":"\u003cp\u003eBreather membranes help protect building structures from external moisture while allowing water vapour to escape. The right product depends on whether it will be used in a roof, wall or floor construction, along with the water resistance, breathability and fire performance required.\u003c\/p\u003e\n\u003cp\u003ePopular options include \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/products\/novia-class-b-s1-d0-uv-facade-fr-breather-membrane\" title=\"Novia UV Facade FR Breather Membrane\"\u003eNovia UV Facade FR\u003c\/a\u003e for UV-resistant protection behind open-jointed cladding, \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/products\/kingspan-nilvent-breather-membrane-50m-x-1-5m\" title=\"Kingspan Nilvent Breather Membrane\"\u003eKingspan Nilvent\u003c\/a\u003e for unventilated pitched roofs and timber frame walls, and \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/products\/tyvek-housewrap-breather-membrane-1-4m-x-100?_pos=1\u0026amp;_psq=Tyvek+HouseWrap\u0026amp;_psid=e9fdadfed\u0026amp;_ss=e\" title=\"Tyvek HouseWrap Breather Membrane\"\u003eTyvek HouseWrap\u003c\/a\u003e for protecting wall structures while allowing moisture vapour to escape. \u003c\/p\u003e\n\u003cp\u003eBrowse our range below and compare breather membranes by application, vapour resistance, water resistance, fire classification and roll size to find a suitable product for your project.\u003c\/p\u003e","products":[{"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":"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":"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":"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-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":"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":"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-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"},{"product_id":"novia-reflex-roof-and-wall-breather-1-5m-x-50m","title":"Novia Reflex Roof and Wall Breather - 1.5m x 50m","description":"\u003cp\u003eNovia® Reflex Roof and Wall Breather is a high-quality, durable, and versatile reflective breather membrane designed for use in 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\u003e applications.\u003c\/p\u003e\n\u003cp\u003eWith an aged reflectivity of 81%, Novia® Reflex helps improve the U-value of a structure. When installed correctly, it can add an additional R-value of up to 0.45 m²K\/W in an unventilated wall cavity or 0.17 m²K\/W in an insulated sloping roof. Its reflective surface also helps keep buildings cooler in the summer and warmer in the winter.\u003c\/p\u003e\n\u003cp\u003eThe membrane offers tensile and nail tear strength, improving its durability during handling and installation, and minimising the risk of damage. Novia® Reflex has a reflective surface on one side and a plain white reverse side, featuring only a 150mm overlap line.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":49023718850907,"sku":"49023718850907","price":130.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Reflexroofandwallbreather.jpg?v=1726481040"},{"product_id":"novia-black-2-7m-construction-wrap-wall-breather","title":"Novia Black+ 2.7m Construction Wrap Wall Breather - 2.7m x 100mm","description":"\u003cp\u003eNovia® Black+ Construction Wrap Breather Membrane is a lightweight, versatile membrane designed for use in insulated wall applications, measuring 2.7m x 100m. It complies with EN 13859-1 for\u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003e pitched roofing\u003c\/a\u003e and EN 13859-2 for \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewalls\u003c\/a\u003e, although it is not recommended for roofing due to its roll size. The membrane offers efficient water resistance while maintaining high breathability and meets EN 13501-1 fire classification grade E. It features a black surface on one side and grey on the reverse, with a 150mm overlap line but no additional text or markings.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":49023765348699,"sku":"49023765348699","price":197.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/constructionwrap.jpg?v=1726481174"},{"product_id":"novia-class-b-s1-d0-fr-breather-membrane","title":"Novia Class B-s1,d0 FR Breather Membrane - 1.5m x 50m","description":"\u003cp\u003eNovia® FR Roof and Wall Breather Membrane is a Class B-s1,d0* fire-rated, lightweight breather membrane designed for use in \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 is CE marked and complies with EN 13859-1 for pitched roofing and EN 13859-2 for walls, including high-rise buildings. The membrane offers Class W1 water resistance while maintaining high breathability. Made from 2-layer TPU, it also provides enhanced UV resistance. The Novia® FR Breather is black on one side, white on the reverse, and features a 150mm overlap line, with no additional text or images.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":49024820609371,"sku":"49024820609371","price":199.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/FRroofandbreathermembrane.jpg?v=1726480067"},{"product_id":"novia-2-7m-building-wrap-wall-breather","title":"Novia 2.7m Building Wrap Wall Breather - 2.7m x 100m","description":"\u003cp\u003eNovia® Building Wrap Breather Membrane is a 2.7m x 100m wall breather membrane designed for use in insulated \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewall\u003c\/a\u003e applications. This lightweight membrane is classified as W2 for water resistance and complies with EN 13859-2 for walls, offering high air and vapour breathability. It meets EN 13501-1 fire classification grade E. The membrane is fully black on both sides, featuring only a 150mm overlap line. Other colours are available, subject to minimum order quantities and extended lead times.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":49025030455643,"sku":"49025030455643","price":150.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/buildingwrap.jpg?v=1726483667"},{"product_id":"novia-black-supreme-125gsm-roof-and-wall-breather","title":"Novia Black+ Supreme 125gsm Roof and Wall Breather - All Sizes","description":"\u003cp\u003eNovia® Black+ Supreme Roof and Wall Breather Membrane is a durable and versatile membrane suitable for both \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003epitched\u003c\/a\u003e roofs and insulated \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewall\u003c\/a\u003e applications. It meets the standards of EN 13859-1 for pitched roofing and EN 13859-2 for walls. The membrane offers excellent water resistance while maintaining high breathability. It is also classified as Fire Rating Class E under EN 13501-1. The membrane features a black side and a grey reverse, with a 150mm overlap line and no additional text or images.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"1m x 50m = 1 roll","offer_id":49025519944027,"sku":"49025519944027","price":41.57,"currency_code":"GBP","in_stock":true},{"title":"1.5m x 50m = 1 roll","offer_id":49025519976795,"sku":"49025519976795","price":58.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/supreme.jpg?v=1726485334"},{"product_id":"novia-black-pro-150gsm-roof-and-wall-breather","title":"Novia Black+ Pro 150GSM Roof and Wall Breather - All Sizes","description":"\u003cp\u003eNovia® Black+ Pro Roof and Wall Breather Membrane is a premium quality, heavy weight, strong and versatile breather membrane for all \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003epitched \u003c\/a\u003ecold and warm roofs, as well as insulated \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewall\u003c\/a\u003e applications. The material meets EN 13859-1 for pitched roofing and EN 13859-2 for walls. Novia® Black+ Pro has excellent water resistance but still provides high breathability. It also complies with EN 13501-1 Fire Classification E. The product is completely black on one side, grey on the reverse, with no text or images, except for a 150mm overlap line.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"1m x 50m = 1 roll","offer_id":49025635877211,"sku":"49025635877211","price":47.02,"currency_code":"GBP","in_stock":true},{"title":"1.5m x 50m = 1 roll","offer_id":49025635942747,"sku":"49025635942747","price":73.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/constructionwrap_9b67aca4-2847-47de-8500-33b12ba2b17e.jpg?v=1726494212"},{"product_id":"novia-class-b-s1-d0-uv-facade-fr-breather-membrane","title":"Novia Class B-s1,d0 UV Facade FR Breather Membrane - 1.5m x 50m","description":"\u003cp\u003eNovia® FR Roof and Wall Breather Membrane is a high-performance, lightweight, and versatile breather membrane with a Class B-s1,d0* fire rating. It is suitable for all \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\u003e applications. CE marked, it complies with EN 13859-1 for pitched roofing and EN 13859-2 for walls, including high-rise buildings. The membrane features excellent Class W1 water resistance and high breathability. Constructed from a 2-layer TPU, it offers enhanced UV resistance. The membrane is black on one side and white on the reverse, with no text or images apart from a 150mm overlap line.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":49026338324827,"sku":"49026338324827","price":176.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/UV_Facade_image.png?v=1791887322"},{"product_id":"novia-mirrorwrap-w1-reflective-wall-breather","title":"Novia MirrorWrap W1 Reflective Wall Breather - 2.7m x 100mm","description":"\u003cp\u003eNovia® MirrorWrap W1 is a premium 4-layer laminate wall breather membrane designed for insulated \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewall\u003c\/a\u003e applications. It offers Class W1 water resistance and reflective properties. The product is CE certified and complies with EN 13859-2 for wall use, ensuring excellent water resistance (EN 1928 Class W1) while maintaining high breathability.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":49026759852379,"sku":"49026759852379","price":404.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/mirrorwrap.jpg?v=1726494437"},{"product_id":"timloc-membreathe-115gsm-breathable-membrane","title":"Timloc MemBreathe 115gsm Breathable Membrane - All Sizes","description":"\u003cp\u003eA high-performance, triple-layer breather membrane designed to allow water vapor to escape from within the building without the need for ventilation. It also serves as a protective barrier, preventing rain from penetrating the structure.\u003c\/p\u003e","brand":"Timloc","offers":[{"title":"1m","offer_id":50023003390299,"sku":"50023003390299","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"1.5m","offer_id":50023003423067,"sku":"50023003423067","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/MemBreathe115gsmBreathableMembrane.jpg?v=1738857755"},{"product_id":"timloc-membreathe-135gsm-breathable-membrane-all-sizes","title":"Timloc MemBreathe 135gsm Breathable Membrane - All sizes","description":"\u003cp\u003eA premium, triple-layer breather membrane engineered to facilitate the escape of water vapor from within the building without requiring ventilation. It also functions as a protective barrier, effectively repelling rain and preventing moisture ingress.\u003c\/p\u003e","brand":"Timloc","offers":[{"title":"1m","offer_id":50023599800667,"sku":"50023599800667","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"1.5m","offer_id":50023599833435,"sku":"50023599833435","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/MemBreathe135gsmBreathableMembrane.jpg?v=1738859057"},{"product_id":"timloc-membreathe-165gsm-breathable-membrane-all-sizes","title":"Timloc MemBreathe 165gsm Breathable Membrane - All Sizes","description":"\u003cp\u003eA high-performance, triple-layer breather membrane designed to allow water vapor to escape from within the building without the need for ventilation. It also acts as a protective barrier, effectively repelling rain and preventing moisture ingress.\u003c\/p\u003e","brand":"Timloc","offers":[{"title":"1m","offer_id":50028052382043,"sku":"50028052382043","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"1.5m","offer_id":50028052414811,"sku":"50028052414811","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/MemBreathe_165gsm_Breathable_Membrane.jpg?v=1738923343"},{"product_id":"kingspan-nilvent-breather-membrane-50m-x-1-5m","title":"Kingspan Nilvent Breather Membrane - 50m x 1.5m","description":"\u003cp\u003eNilvent is a breathable membrane designed for use in unventilated \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003epitched roof \u003c\/a\u003eand timber frame wall applications. It is fully waterproof, airtight under normal building pressures, and non-tenting, making it a reliable solution for protecting building envelopes while allowing moisture vapour to escape.\u003c\/p\u003e","brand":"Kingspan","offers":[{"title":"Default Title","offer_id":51034531365211,"sku":"51034531365211","price":130.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/nilvent.png?v=1753356056"},{"product_id":"novia®-black-essential-roof-and-wall-breather-membrane-1-5m-x-50m","title":"Novia® Black+ Essential Roof and Wall Breather Membrane - 1.5m x 50m","description":"\u003cp\u003eNovia® Black+ Essential Roof and Wall Breather Membrane is a lightweight, cost-effective breather membrane designed for general use in insulated wall constructions. It is fully compliant with EN 13859-2 for wall applications and also meets EN 13859-1 for \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003epitched roofing\u003c\/a\u003e, making it suitable for a broad range of standard building projects.\u003c\/p\u003e\n\u003cp\u003eThe membrane provides W1-level water resistance while maintaining high breathability, helping to manage moisture effectively within the building envelope. It also achieves EN 13501-1 Class E fire performance.\u003c\/p\u003e\n\u003cp\u003eNovia® Black+ Essential is supplied black on one side and grey on the reverse, with a clean, unprinted finish.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":51805931700571,"sku":"51805931700571","price":39.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/NoviaEssentialBreather-use.png?v=1764160676"},{"product_id":"novia-black-construction-wrap-light-2-7m-x-100m","title":"Novia® Black+ Construction Wrap Light Breather Membrane - 2.7m x 100m","description":"\u003cp\u003eNovia® Black+ Construction Wrap Light Breather Membrane is a lightweight, three-layer wall breather membrane supplied in 2.7m x 100m rolls. It is designed for use in all insulated \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/wall-insulation\" title=\"wall insulation\"\u003ewall\u003c\/a\u003e applications, offering a balance of durability, breathability and ease of installation.\u003c\/p\u003e\n\u003cp\u003eThe membrane delivers Class W1 water resistance while maintaining high vapour permeability to help manage moisture within the building envelope. It is manufactured to meet EN 13859-2 for wall applications and also conforms to EN 13859-1 for \u003ca href=\"https:\/\/www.nationalinsulationsupplies.com\/collections\/pitched-roof-insulation\" title=\"pitched roof insulation\"\u003epitched roofing\u003c\/a\u003e, although the large roll width means it is intended primarily for wall use. The product also achieves EN 13501-1 Class E fire classification.\u003c\/p\u003e\n\u003cp\u003eNovia® Black+ Construction Wrap Light is supplied black on one side and grey on the reverse, presented in a clean, unprinted finish.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":51835199848795,"sku":"51835199848795","price":172.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/NoviaBlack_ConstructionWrapLight-use.png?v=1764679812"},{"product_id":"novia-black-fc125-breather-membrane-floor-cassette-breather-membrane-50m-x-1m-50m","title":"Novia Black+ FC125 Breather Membrane Floor Cassette Breather Membrane - 50m x 1m (50m²)","description":"\u003cp data-start=\"265\" data-end=\"540\"\u003eNovia® Black+ FC125 is a 3-layer floor cassette membrane designed for use in timber frame wall constructions. It is installed around the floor cassette at junctions and connected to the internal Air \u0026amp; Vapour Control Layer (AVCL) to maintain airtightness at floor connections.\u003c\/p\u003e\n\u003cp data-start=\"542\" data-end=\"838\"\u003eThe membrane incorporates a microporous core and provides Class W1 resistance to water penetration in accordance with EN 1928. It is airtight while remaining vapour permeable, with an Sd value of 0.029m (EN ISO 12572), allowing moisture vapour to pass through while limiting unwanted air leakage.\u003c\/p\u003e\n\u003cp data-start=\"840\" data-end=\"1086\"\u003eNovia® Black+ FC125 is used to reduce the risk of interstitial condensation at wall panel and floor junction details. The membrane is black on one side and grey on the reverse, with no printed text or images other than a 150mm overlap guide line.\u003c\/p\u003e\n\u003cp data-start=\"1088\" data-end=\"1144\"\u003eThe product is UKCA marked to EN 13859-1 and EN 13859-2.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":52341823603035,"sku":"52341823603035","price":44.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Black_FC125.jpg?v=1770826774"},{"product_id":"novia-fr-pro-a1-breather-membrane-1-5m-x-50m","title":"Novia FR Pro A1 Breather Membrane 1.5m x 50m","description":"\u003cp\u003e\u003cb\u003eNovia® FR Pro A1 Breather Membrane\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis a Class A1 fire rated, strong, high performance wall breather \/ façade membrane. The membrane is suitable for use in traditional low-rise insulated wall applications, as well as in high rise and high risk buildings, having achieved an EN 13501-1 Class A1 Fire Classification. The membrane is non-smoke-emitting in the event of a fire, facilitating safer evacuation during fire emergencies.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eNovia® FR Pro A1\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis CE marked and meets EN 13859-2 for walls. It also meets EN 13111 Class W2 water resistance and provides high breathability.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eNovia® FR Pro A1\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis a speckled green-grey coated woven glass-fibre membrane, with no text or images.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNovia® FR Pro A1 Breather\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003emeets the requirements for CE marking, originally introduced under the 2013 Construction Products Regulations with CE marking. Under this European directive, all products covered by a current hEN (harmonised European Norm) must comply with the new standard. Third party accreditation is no longer sufficient.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":53832655077723,"sku":"53832655077723","price":452.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/NoviaFRProA1Breather.png?v=1787146868"},{"product_id":"proctor-fireshield-vapour-permeable-walling-underlay","title":"Proctor Fireshield - Vapour Permeable Walling Underlay - 20m x 1.1m Roll","description":"\u003cdiv class=\"content mb-unset\"\u003e\n\u003cp\u003eFireshield is a vapour permeable walling underlay with an intumescent coated surface. Fireshield is suitable for all walling applications including those in multiple storey buildings. The intumescent coating helps protect the substrate by reducing the risk of fire taking hold and reduces the formation of droplets and smoke. It is installed and fixed to the substrate in the same manner as standard breather membranes using mechanical fixings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"content-attributes\"\u003e\n\u003cul class=\"content-attributes__list mt-sm\"\u003e\n\u003cli\u003eThe intumescent coating helps protect the substrate\u003c\/li\u003e\n\u003cli\u003eVapour permeable walling underlay for use either directly onto sheathing or insulation\u003c\/li\u003e\n\u003cli\u003eClass B, s1-d0 but performs differently to other similar class products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"content-attributes__list mt-sm\"\u003e\n\u003cli\u003eComplies with BS5250, BS4016 \u0026amp; NHBC requirements for vapour permeable walling underlays\u003c\/li\u003e\n\u003cli\u003eIdeal for use in rainscreen \/ façade construction\u003c\/li\u003e\n\u003cli\u003ePart B compliant in relevant buildings and those over 11m\/18m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"A Proctor Group","offers":[{"title":"Single Roll","offer_id":54413898449243,"sku":"54413847986523","price":369.22,"currency_code":"GBP","in_stock":true},{"title":"1 Pallet - 24 Rolls","offer_id":54413898482011,"sku":"54413847986524","price":8160.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/proctor-fireshield-green-roll.webp?v=1792418629"},{"product_id":"proctor-air-vapour-permeable-roofing-membrane","title":"Proctor Air - Air \u0026 Vapour Permeable Roofing Membrane","description":"\u003cdiv class=\"content mb-unset\"\u003e\n\u003cp\u003eProctor Air® is an air and vapour permeable, water resistant roofing underlay. Its characteristics allow even very complex pitched roofs to breathe, without the need for air gaps or secondary venting.\u003c\/p\u003e\n\u003cp\u003eThe meltblown core at the heart of Proctor Air allows natural air movement to ‘supercharge’ the passage of moisture vapour from the roofspace, making the formation of condensation in the roofspace virtually impossible.\u003c\/p\u003e\n\u003cp\u003eA unique feature of Proctor Air’s BBA certificate is the clarification that it can be used on roofs featuring solar PV. Please speak to the technical department for further clarification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"content-attributes\"\u003e\n\u003cul\u003e\n\u003cli\u003eVapour permeable\u003c\/li\u003e\n\u003cli\u003eFully air permeable\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eWind Uplift Resistance Complies with BS5534\u003c\/li\u003e\n\u003cli\u003eMore uniform airflow than vents\u003c\/li\u003e\n\u003cli\u003eNo VCL required\u003c\/li\u003e\n\u003cli\u003e15 year warranty\u003c\/li\u003e\n\u003cli\u003eBBA Certificate no. 24\/7147\u003c\/li\u003e\n\u003cli\u003eCompatible with PV Assemblies\u003c\/li\u003e\n\u003cli\u003eEPD Certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"A Proctor Group","offers":[{"title":"1m x 50m Loose Roll","offer_id":54452417691995,"sku":"54446949466459","price":149.59,"currency_code":"GBP","in_stock":true},{"title":"1m x 50m Pallet (24 Rolls Per Pallet)","offer_id":54452417724763,"sku":"54446949466460","price":2990.16,"currency_code":"GBP","in_stock":true},{"title":"1.5m x 50m Loose Roll","offer_id":54452417757531,"sku":"54446949466461","price":229.67,"currency_code":"GBP","in_stock":true},{"title":"1.5m x 50m Pallet (20 Rolls Per Pallet)","offer_id":54452417790299,"sku":"54446949466462","price":3413.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Proctor-Air-Product-Image.jpg?v=1792578548"},{"product_id":"proctorwrap-reflect®-vapour-permeable-membrane","title":"Proctorwrap Reflect® - Vapour Permeable Membrane","description":"\u003cdiv class=\"content mb-unset\"\u003e\n\u003cp\u003eProctorwrap Reflect is a water resistant, non-woven polypropylene, foil faced laminate with a patented three layer composition, providing breathability, as well as secondary protection to the building during construction. Proctorwrap Reflect is vapour permeable, has low emissivity and an enhanced foil surface designed to improve the thermal resistance of timber and steel frame structures. It has a high strength to weight ratio.\u003c\/p\u003e\n\u003cp\u003eThe product is installed on the external face of the timber frame, foil side face out, similar to that of a traditional breather membrane but with added thermal benefits.\u003c\/p\u003e\n\u003cp\u003eProctorwrap Reflect complies with the low vapour resistance requirements set out by TRADA and the NHBC. The existing legislation requires a breather membrane in walls to have a vapour resistance not greater than Sd 0.12m \/ 0.6 MNs\/g. Proctorwrap Reflect has a vapour resistance of Sd 0.08m \/ 0.4 MNs\/g.\u003c\/p\u003e\n\u003cp\u003eWe can provide a range of solutions, with U-values down to as low as 0.18W\/m2 K in standard timber frame walling applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"content-attributes\"\u003e\n\u003cul\u003e\n\u003cli\u003eR value 0.71\u003c\/li\u003e\n\u003cli\u003eCompetitively priced\u003c\/li\u003e\n\u003cli\u003eEnhanced foil surface\u003c\/li\u003e\n\u003cli\u003eLow vapour resistance - complies with TRADA and NHBC requirement\u003c\/li\u003e\n\u003cli\u003eHigh strength to weight ratio\u003c\/li\u003e\n\u003cli\u003eW2 water penetration\u003c\/li\u003e\n\u003cli\u003e1.5, 2.7 \u0026amp; 3 metre wide rolls\u003c\/li\u003e\n\u003cli\u003eEPD Certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"A Proctor Group","offers":[{"title":"1.5m x 50m Loose Roll","offer_id":54453932753243,"sku":"54453932753243","price":123.62,"currency_code":"GBP","in_stock":true},{"title":"1.5m x 50m 33 Rolls","offer_id":54453932786011,"sku":"54453932786011","price":3956.04,"currency_code":"GBP","in_stock":true},{"title":"2.7m x 100m Loose Roll","offer_id":54453932687707,"sku":"54453932687707","price":357.0,"currency_code":"GBP","in_stock":true},{"title":"2.7m x 100m 20 Rolls","offer_id":54453932720475,"sku":"54453932720475","price":6560.0,"currency_code":"GBP","in_stock":true},{"title":"3m x 100m Loose Roll","offer_id":54453932622171,"sku":"54453932622171","price":399.37,"currency_code":"GBP","in_stock":true},{"title":"3m x 100m 20 Rolls","offer_id":54453932654939,"sku":"54453932654939","price":7516.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Proctorwrap-Reflect-930x530.jpg?v=1792597474"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/collections\/Wraptite_UV_facade_Roll-square.jpg?v=1793024541","url":"https:\/\/www.nationalinsulationsupplies.com\/collections\/breather-membranes.oembed","provider":"National Insulation Supplies","version":"1.0","type":"link"}