{"product_id":"elotene-dsn-self-adhesive-vapour-barrier","title":"Elotene DSN Self-Adhesive Vapour Barrier","description":"\u003ch3\u003eReinforced Aluminium Vapour Control Layer for Warm Roofs\u003c\/h3\u003e\n\n\u003cp\u003eElotene DSN is a high-performance self-adhesive bituminous vapour barrier designed for warm deck flat roofing systems. It forms a total barrier against vapour and gases, including methane and radon, making it suitable for buildings with high internal humidity.\u003c\/p\u003e\n\n\u003cp\u003eManufactured with a composite aluminium foil reinforced with an integral glass fibre mat and a high-tack self-adhesive bitumen backing, Elotene DSN provides strength, puncture resistance and dependable adhesion when installed correctly.\u003c\/p\u003e\n\n\u003cp\u003eThis is a trade-grade vapour control layer used beneath insulation in commercial and domestic flat roof builds.\u003c\/p\u003e\n\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:700; padding:16px 48px 16px 16px; font-size:18px; position:relative;\"\u003e\n    What It’s Used For\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cul\u003e\n      \u003cli\u003eWarm deck flat roof constructions\u003c\/li\u003e\n      \u003cli\u003eInstallation directly onto structural decks\u003c\/li\u003e\n      \u003cli\u003eUse beneath adhered or mechanically fixed insulation systems\u003c\/li\u003e\n      \u003cli\u003eHigh humidity buildings such as swimming pools, kitchens, sports halls and industrial facilities\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003eSuitable substrates include:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eConcrete\u003c\/li\u003e\n      \u003cli\u003ePlywood \/ OSB\u003c\/li\u003e\n      \u003cli\u003eProfiled metal decking\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003e\u003ca href=\"\/products\/primer-for-elotene-vapour-barrier\"\u003e\u003cstrong\u003ePrimer (RedStar \/ InStar Primer)\u003c\/strong\u003e\u003c\/a\u003e is recommended on all surfaces to maximise adhesion.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\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:700; padding:16px 48px 16px 16px; font-size:18px; position:relative;\"\u003e\n    Why It Matters\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \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 gets into the insulation layer, performance drops and long-term damage can follow.\u003c\/p\u003e\n\n    \u003cp\u003eElotene DSN delivers:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eSd value ≥ 1,500m (very high vapour resistance)\u003c\/li\u003e\n      \u003cli\u003eCold-applied installation - no hot works\u003c\/li\u003e\n      \u003cli\u003eExcellent puncture resistance for use on steel decks\u003c\/li\u003e\n      \u003cli\u003eHigh tensile and tear strength\u003c\/li\u003e\n      \u003cli\u003eA polyester-coated aluminium surface that allows most PU insulation adhesives to bond directly to it\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003eIt gives you a tough, walkable vapour barrier that can handle site traffic during installation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\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:700; padding:16px 48px 16px 16px; font-size:18px; position:relative;\"\u003e\n    Installation Overview\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \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 primer where required (especially porous surfaces).\u003c\/li\u003e\n      \u003cli\u003eUnroll and align membrane perpendicular to roof falls.\u003c\/li\u003e\n      \u003cli\u003eOverlap edges by 50–80mm and roll ends by at least 150mm.\u003c\/li\u003e\n      \u003cli\u003eRemove release film and press firmly into place using a broom or roller.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cp\u003eApplication temperature range: 5°C to 45°C.\u003c\/p\u003e\n    \u003cp\u003eMembrane should be covered with insulation and waterproofing within 1–2 weeks to protect from UV exposure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\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:700; padding:16px 48px 16px 16px; font-size:18px; position:relative;\"\u003e\n    Technical Specification\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.6mm\u003cbr\u003e\n    \u003cstrong\u003eWidth:\u003c\/strong\u003e 1080mm\u003cbr\u003e\n    \u003cstrong\u003eFull Roll Length:\u003c\/strong\u003e 40m\u003cbr\u003e\n    \u003cstrong\u003eRoll Weight:\u003c\/strong\u003e Approx. 28kg\u003cbr\u003e\n    \u003cstrong\u003eTensile Strength:\u003c\/strong\u003e \u0026gt;600 N\/50mm\u003cbr\u003e\n    \u003cstrong\u003eTear Resistance:\u003c\/strong\u003e 190N\u003cbr\u003e\n    \u003cstrong\u003eWater Vapour Resistance:\u003c\/strong\u003e Sd ≥ 1,500m\u003cbr\u003e\n    \u003cstrong\u003eFire Classification:\u003c\/strong\u003e Class E\u003cbr\u003e\n    \u003cstrong\u003eStandard:\u003c\/strong\u003e EN 13970 Type A\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\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:700; padding:16px 48px 16px 16px; font-size:18px; position:relative;\"\u003e\n    Roofer’s Perspective\n    \u003cspan style=\"position:absolute; right:16px; top:50%; transform:translateY(-50%);\"\u003e▸\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding:16px; border-top:1px solid #333;\"\u003e\n    \u003cp\u003eYou need a vapour barrier that can handle site traffic and won’t tear while the rest of the build-up goes down. Elotene DSN is tough, bonds well when primed correctly and gives you confidence the deck is sealed properly before insulation is installed.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e","brand":"The Flat Roofing Shop","offers":[{"title":"10m","offer_id":56585449963851,"sku":"INS-ELOTENE-10","price":85.8,"currency_code":"GBP","in_stock":true},{"title":"20m","offer_id":56585449996619,"sku":"INS-ELOTENE-20","price":171.6,"currency_code":"GBP","in_stock":true},{"title":"30m","offer_id":56585450029387,"sku":"INS-ELOTENE-30","price":257.4,"currency_code":"GBP","in_stock":true},{"title":"40m","offer_id":56585450062155,"sku":"INS-ELOTENE","price":343.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/4054\/9451\/files\/Elotene-vapour-barrier.jpg?v=1774092608","url":"https:\/\/theflatroofingshop.co.uk\/products\/elotene-dsn-self-adhesive-vapour-barrier","provider":"The Flat Roofing Shop","version":"1.0","type":"link"}