{"product_id":"vapair-vapour-barrier","title":"VapAir Seal MD Vapour Barrier","description":"\u003ch3\u003eSelf-Adhesive Air \u0026amp; Vapour Control Layer for Warm Roofs\u003c\/h3\u003e\n\u003cp\u003eVapAir Seal MD is a self-adhesive aluminium vapour barrier manufactured by CCM Europe, designed for warm deck flat roof constructions where insulation is mechanically fixed.\u003c\/p\u003e\n\u003cp\u003eAt 0.4mm thick, VapAir is lighter than \u003cstrong\u003e\u003ca href=\"products\/alutrix-600-vapour-barrier\"\u003eALUTRIX 600\u003c\/a\u003e\u003c\/strong\u003e (0.6mm) but still delivers high vapour resistance and airtight performance. It consists of a reinforced aluminium composite with a self-adhesive bitumen backing and removable release film.\u003c\/p\u003e\n\u003cp\u003eInstalled at deck level beneath insulation, it forms a vapour-tight and air-tight layer within the roof build-up.\u003c\/p\u003e\n\u003cdetails style=\"margin-bottom: 12px; border: 1px solid #333; border-radius: 10px; background: #1a1a1a; overflow: hidden;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: bold; padding: 16px 48px 16px 16px; font-size: 18px; position: relative;\"\u003eWhat It’s Used For \u003cspan style=\"position: absolute; right: 16px; top: 50%; transform: translateY(-50%);\"\u003e▸\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 16px; border-top: 1px solid #333;\"\u003e\n\u003cul\u003e\n\u003cli\u003eWarm roof constructions with mechanically fixed insulation\u003c\/li\u003e\n\u003cli\u003eInstallation directly onto structural decks\u003c\/li\u003e\n\u003cli\u003eProjects requiring a high vapour resistance layer\u003c\/li\u003e\n\u003cli\u003eBuildings with high internal humidity (kitchens, bathrooms, sports halls, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSuitable substrates include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGalvanised or uncoated metal\u003c\/li\u003e\n\u003cli\u003ePlastic coated substrates\u003c\/li\u003e\n\u003cli\u003eTimber and timber-based boards\u003c\/li\u003e\n\u003cli\u003eBituminous materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/fg35-primer-for-resitrix%C2%AE-alutrix%C2%AE\"\u003eFG35 primer\u003c\/a\u003e is required for installation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px; border: 1px solid #333; border-radius: 10px; background: #1a1a1a; overflow: hidden;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: bold; padding: 16px 48px 16px 16px; font-size: 18px; position: relative;\"\u003eWhy It Matters \u003cspan style=\"position: absolute; right: 16px; top: 50%; transform: translateY(-50%);\"\u003e▸\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 16px; border-top: 1px solid #333;\"\u003e\n\u003cp\u003eIn a warm roof, the vapour barrier protects the insulation from internal moisture. If vapour reaches the insulation layer, thermal performance drops and condensation is likely to occur.\u003c\/p\u003e\n\u003cp\u003eVapAir Seal MD provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSd value \u0026gt; 1,500m\u003c\/li\u003e\n\u003cli\u003eHigh tensile strength (≥ 800\/700 N\/5cm)\u003c\/li\u003e\n\u003cli\u003eStrong shear resistance (657 N\/5cm)\u003c\/li\u003e\n\u003cli\u003eSelf-sealing around mechanical fixings\u003c\/li\u003e\n\u003cli\u003eCold-applied installation (no hot works)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt creates a durable air and vapour control layer before insulation and waterproofing are installed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px; border: 1px solid #333; border-radius: 10px; background: #1a1a1a; overflow: hidden;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: bold; padding: 16px 48px 16px 16px; font-size: 18px; position: relative;\"\u003eInstallation Overview \u003cspan style=\"position: absolute; right: 16px; top: 50%; transform: translateY(-50%);\"\u003e▸\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 16px; border-top: 1px solid #333;\"\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure substrate is dry, smooth and clean.\u003c\/li\u003e\n\u003cli\u003eApply \u003cstrong\u003e\u003ca href=\"\/products\/fg35-primer-for-resitrix%C2%AE-alutrix%C2%AE\"\u003eFG35 primer\u003c\/a\u003e\u003c\/strong\u003e where required.\u003c\/li\u003e\n\u003cli\u003eLay membrane with minimum 50mm overlaps.\u003c\/li\u003e\n\u003cli\u003eRemove release film and press firmly into place.\u003c\/li\u003e\n\u003cli\u003eRoll seams to ensure full bond.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMembrane should be covered with insulation and waterproofing promptly after installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px; border: 1px solid #333; border-radius: 10px; background: #1a1a1a; overflow: hidden;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: bold; padding: 16px 48px 16px 16px; font-size: 18px; position: relative;\"\u003eTechnical Specification \u003cspan style=\"position: absolute; right: 16px; top: 50%; transform: translateY(-50%);\"\u003e▸\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 16px; border-top: 1px solid #333;\"\u003e\n\u003cp\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.4mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 300 g\/m²\u003cbr\u003e\u003cstrong\u003eRoll Width:\u003c\/strong\u003e 1.08m\u003cbr\u003e\u003cstrong\u003eRoll Length:\u003c\/strong\u003e 40m (cut lengths are available)\u003cbr\u003e\u003cstrong\u003eWater Vapour Resistance:\u003c\/strong\u003e Sd \u0026gt; 1,500m\u003cbr\u003e\u003cstrong\u003eFire Behaviour:\u003c\/strong\u003e Class E\u003cbr\u003e\u003cstrong\u003eFM Approval:\u003c\/strong\u003e Class 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px; border: 1px solid #333; border-radius: 10px; background: #1a1a1a; overflow: hidden;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: bold; padding: 16px 48px 16px 16px; font-size: 18px; position: relative;\"\u003eRoofer’s Perspective \u003cspan style=\"position: absolute; right: 16px; top: 50%; transform: translateY(-50%);\"\u003e▸\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding: 16px; border-top: 1px solid #333;\"\u003e\n\u003cp\u003eWhen you’re mechanically fixing insulation, you need a vapour barrier that seals properly and won’t split around fixings. VapAir goes down quickly, bonds well when primed and gives you confidence the deck is sealed before the build-up continues.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"The Flat Roofing Shop","offers":[{"title":"10m","offer_id":56620406604107,"sku":"INS-VAP-AIR-SEAL-10","price":71.82,"currency_code":"GBP","in_stock":true},{"title":"20m","offer_id":56620406636875,"sku":"INS-VAP-AIR-SEAL-20","price":143.64,"currency_code":"GBP","in_stock":true},{"title":"30m","offer_id":56620406669643,"sku":"INS-VAP-AIR-SEAL-30","price":215.46,"currency_code":"GBP","in_stock":true},{"title":"40m","offer_id":56620406702411,"sku":"INS-VAP-AIR-SEAL","price":287.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/4054\/9451\/files\/VapairWeb.jpg?v=1774093553","url":"https:\/\/theflatroofingshop.co.uk\/products\/vapair-vapour-barrier","provider":"The Flat Roofing Shop","version":"1.0","type":"link"}