{"product_id":"classicbond-epdm-water-based-deck-adhesive","title":"ClassicBond EPDM Water Based Deck Adhesive for Rubber Roofing","description":"\u003ch3\u003eWater-Based Deck Adhesive for EPDM Rubber Roofing\u003c\/h3\u003e\n\u003cp\u003eClassicBond EPDM Water Based Adhesive is a non-flammable, water-based acrylic adhesive used to bond EPDM rubber roofing membranes to flat timber roof decks, such as OSB3 and plywood.\u003c\/p\u003e\n\u003cp\u003eIt is designed for large flat areas of the roof deck, where a smooth, controlled bond is required without strong odours or solvents. Applied as a one-sided, wet lay adhesive, it allows the EPDM membrane to be positioned easily before being pressed down and fully bonded for a strong, long-term hold.\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; list-style: none;\"\u003eWhat This Adhesive Is 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\u003cp\u003eClassicBond Water Based Adhesive is used to bond \u003ca href=\"\/collections\/classicbond-epdm\"\u003e\u003cstrong\u003eClassicBond\u003c\/strong\u003e\u003c\/a\u003e \u003cstrong\u003e\u003ca href=\"\/collections\/classicbond-epdm\"\u003eEPDM rubber roofing\u003c\/a\u003e\u003c\/strong\u003e to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTimber roof decks (OSB3 or plywood)\u003c\/li\u003e\n\u003cli\u003eThe main field area of flat roofs\u003c\/li\u003e\n\u003cli\u003eResidential flat roofs, garages, porches, garden rooms and extensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOn timber decks, it is typically used:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAcross the main roof area\u003c\/li\u003e\n\u003cli\u003eWith \u003ca href=\"\/products\/classicbond-epdm-contact-adhesive-for-rubber-roofs\"\u003e\u003cstrong\u003eClassicBond Contact Adhesive\u003c\/strong\u003e\u003c\/a\u003e used separately at edges, upstands and details\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis combination provides a secure, compliant EPDM 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; list-style: none;\"\u003eWhy Use Water Based Adhesive for EPDM Roofing \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\u003eWater-based adhesive is the preferred choice for flat timber decks because it offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow odour and non-flammable application\u003c\/li\u003e\n\u003cli\u003eA longer working time for positioning the membrane\u003c\/li\u003e\n\u003cli\u003eControlled bonding over large areas\u003c\/li\u003e\n\u003cli\u003eStrength that develops over time\u003c\/li\u003e\n\u003cli\u003eA safer, more comfortable installation - Easier for DIY, Faster for trade\u003c\/li\u003e\n\u003c\/ul\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; list-style: none;\"\u003eSuitable Surfaces \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\u003eClassicBond Water Based Adhesive is suitable for bonding EPDM rubber roofing to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOSB3 boards\u003c\/li\u003e\n\u003cli\u003ePlywood (Structural Grade)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll boards must:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBe clean, dry and sound\u003c\/li\u003e\n\u003cli\u003eBe free from waxes, sealers or non-absorbent coatings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for non-porous surfaces\u003c\/strong\u003e such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetal\u003c\/li\u003e\n\u003cli\u003eExisting GRP\u003c\/li\u003e\n\u003cli\u003eSealed or low-vapour-permeable decks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor these surfaces, \u003ca href=\"\/products\/classicbond-epdm-contact-adhesive-for-rubber-roofs\"\u003e\u003cstrong\u003eClassicBond Contact Adhesive\u003c\/strong\u003e\u003c\/a\u003e should be used as the deck adhesive instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEPDM should never be bonded directly to felt or other bituminous substrates.\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; list-style: none;\"\u003eHow the Adhesive Is Applied (Simple 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\u003eApply using a medium-pile roller\u003c\/li\u003e\n\u003cli\u003eSpread evenly at approx. 3–4 m² per litre\u003c\/li\u003e\n\u003cli\u003eLay the EPDM membrane into the wet adhesive\u003c\/li\u003e\n\u003cli\u003eAfter applying the adhesive, you have roughly 5–15 minutes to lay the membrane into it, depending on temperature and weather conditions\u003c\/li\u003e\n\u003cli\u003ePress and consolidate with a broom or roller to ensure full transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe adhesive must \u003cstrong\u003enot\u003c\/strong\u003e be used below \u003cstrong\u003e4°C\u003c\/strong\u003e, or if temperatures are expected to fall below this during curing\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; list-style: none;\"\u003eImportant Installation Notes \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\u003eStir thoroughly before use\u003c\/li\u003e\n\u003cli\u003eApply to one surface only (deck)\u003c\/li\u003e\n\u003cli\u003eEnsure full adhesive transfer to the membrane\u003c\/li\u003e\n\u003c\/ul\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; list-style: none;\"\u003eCoverage \u0026amp; Sizes \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\u003eApproximate coverage:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.0L\u003c\/strong\u003e – covers approx. \u003cstrong\u003e3–4 m²\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5L\u003c\/strong\u003e – covers approx. \u003cstrong\u003e7–10 m²\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.0L\u003c\/strong\u003e – covers approx. \u003cstrong\u003e15–20 m²\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10L\u003c\/strong\u003e – covers approx. \u003cstrong\u003e35–40 m²\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15L\u003c\/strong\u003e – covers approx. \u003cstrong\u003e50–60 m²\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCoverage may vary depending on surface texture and porosity.\u003c\/p\u003e\n\u003cp\u003eFor roofs \u003cstrong\u003eover 100 m²\u003c\/strong\u003e, ClassicBond Contact Adhesive should be used as the deck adhesive instead of water-based adhesive.\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; list-style: none;\"\u003eProduct Details \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\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e ClassicBond EPDM Water Based Adhesive (WBA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Acrylic resin, non-flammable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Cream\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Approx. 3–4 m² per litre\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTack \/ open time:\u003c\/strong\u003e Approx. 5–30 minutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e 12 months (stored between 5°C and 30°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e One-sided, wet-lay deck adhesive\u003c\/li\u003e\n\u003c\/ul\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; list-style: none;\"\u003eA Roofer’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\u003eWater-based adhesive is what makes large EPDM roofs easier to install. It gives you working time to position the sheet, work cleanly, and achieve a smooth finish without fighting solvents or fumes.\u003c\/p\u003e\n\u003cp\u003eUsed on the main deck area - with contact adhesive at the edges - it’s the simplest and most reliable way to install EPDM rubber roofing on timber roofs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"The Flat Roofing Shop","offers":[{"title":"1L","offer_id":56479245566283,"sku":"CB-WBA-01","price":13.2,"currency_code":"GBP","in_stock":true},{"title":"2.5L","offer_id":56479245599051,"sku":"CB-WBA-025","price":36.24,"currency_code":"GBP","in_stock":true},{"title":"5L","offer_id":56479245631819,"sku":"CB-WBA-050","price":65.4,"currency_code":"GBP","in_stock":true},{"title":"15L","offer_id":56479245664587,"sku":"CB-WBA-150","price":174.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/4054\/9451\/files\/Classicbond-epdm-water-based-adhesive-all-sizes.jpg?v=1773493446","url":"https:\/\/theflatroofingshop.co.uk\/products\/classicbond-epdm-water-based-deck-adhesive","provider":"The Flat Roofing Shop","version":"1.0","type":"link"}