Liberty™ SBS Self-Adhering Roofing System One (1) Ply Installation Instructions For Plywood Updated: 5/17
gaf.com One (1) Ply Installation Instructions For Plywood (For installation on carports, garages, porches, sheds, etc., of 2,000 square feet [185.8 sq. m] or less) How Do I Prepare for a LIBERTY ™ Project? Before You Start… the installation of your new LIBERTY™ SBS Self-Adhering Roofing, do the following: • Read Instructions Thoroughly... and understand how the entire system works before starting your installation.
STEP 1 Preparing for a LIBERTY ™ One (1) Ply Roof System Installation • Remove All Existing Roofs… and inspect the roof deck to determine its suitability and type of preparation required, replacing damaged deck materials as necessary. Minimum 4-ply, 15/32" (12 mm) exteriorgrade plywood decking is required. Each plywood panel must be installed so that all four sides are on, and are secured to, joists and cross blocking.
19. All edges, flashing, drip edges, details, etc., must be sealed with a light troweling of SBS Flashing Cement. STEP 5 Cleaning Up and Maintaining Your LIBERTY™Roof 20. Remove wrinkles in the LIBERTY™ Cap Sheet. They should be cut out and covered with a piece of Cap Sheet set in a light, uniform application of SBS Flashing Cement. That cover should extend at least 6" (152 mm), in all directions, beyond the cut-out area.
