Gaf Rolled Roofing Installation Instructions

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.

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 recommends installing a bead of plastic cement along the step up length of the lap. Remove selvage edge release film prior to installing bottom half of sheet and finishing the side lap. 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.

Underlayment when underlayment is installed use gaf shingle mate underlayment or equivalent applied horizontally across the roof slope with a minimum 2 51mm top lap and 4 102 mm side lap. The gaf lifetime roofing system a new roof is more than just shingles. 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. Learn about the liberty sbs self adhering base ply sheet.

When you install any gaf lifetime shingle and at least 3 qualifying gaf accessories you ll automatically get a lifetime limited warranty on your shingles and all qualifying gaf accessories. 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 tri ply sbs granule cap sheet 3 3 ft w x 32 56 ft l 100 sq ft white roll roofing.