Gaf Rolled Roofing Installation Instructions

Remove release films from top to bottom half of sheet in turn carefully rolling back into position to maintain overlap.

Gaf rolled roofing installation instructions.

Wind uplift is a primary concern when installing a retrofit single ply roof system rsprs over a structural metal panel roof. Gaf instructions for applying mineral roll roofing recommend use of galvanized zinc coated steel or aluminum 10 12 gauge barbed deformed or smooth shank roofing nails and note that the nail must be long enough to penetrate at least 3 4 into the wood roof deck or just through plywood or osb decks. Gaf recommends installing a bead of plastic cement along the step up length of the lap. Gaf tri ply sbs granule cap sheet 3 3 ft w x 32 56 ft l 100 sq ft white roll roofing.

Astm e 1592 physical testing was performed on three test roof assemblies in order to determine the wind uplift resistance of an rsprs installed over existing structural metal panel roof systems fastened directly into purlins. Without taking steps to maintain quality the fastest roof is typically the one that will cost contractors the most stated guillaume bailly senior training manager canada for the gaf center for the advancement of roofing excellence care. In areas where leaks may be caused by water backing up behind ice dams use weather watch or stormguard leak barrier at the eaves see figure 1. Learn about the liberty sbs self adhering base ply sheet.

Speed is king in residential roof installation but it can come at the expense of quality. The gaf lifetime roofing system a new roof is more than just shingles. Liberty sbs self adhering roofing system will provide long lasting protection for the low slope areas of your property without the danger or hassles associated with the installation of other conventional roofing products.