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Of ClassicBond and DuoPly EPDM Rubber Roofing Systems
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Help and advice from experienced flat roofers
Water Based Acrylic Deck Adhesive is a non-flammable, acrylic resin based product specifically developed to bond fleece backed polymeric roof membrane to a range of roof deckings. The adhesive develops excellent strength over time, making it suitable for use on flat roofs conforming to current building regulations and where if needed an efficient damp proof course or vapour barrier exists. This high-strength, acrylic based adhesive allowing for fast, effective bonding of EPDM membranes to timber flat roofing substrates. Offering superior peel strengths without solvents or strong odours.
5 Litres (covers approx 15 to 20sqm)
10 Litres (covers approx 35 to 40sqm)
15 Litres (covers approx 50 to 60sqm)
20 Litres (covers approx 60 to 80sqm)
Should I use WBA or PU Adhesive? In 75% of cases WBA Adhesive should be used to adhere the membrane to the roof deck. WBA Adhesive must be used to adhere to all vertical services. WBA Adhesive can be used in damp conditions as long as the following conditions are met: Surfaces should be clean, dry, frost free and free from dust, grease, loose material and other contaminants.
Can I go over existing felt with WBA? No, You would not be able to adhere the membrane to felt using WBA. WBA needs a pourous surface to bond to. Felt will not absorb the WBA and therefore it will never bond to your pre existing surface.
WBA Adhesive will bond EPDM membrane to a range of conventional timber roof surfaces e.g. Plywood, OSB
All boards should be resistant to moisture but not sealed with adhesive repellent waxes or other non absorbent systems. Certain roof surfaces may not be suitable for use with this WBA, for example, non porous roof decks or those of low vapour permebaliity i.e Metal or existing GRP