Gaf Liberty Base Sheet - Prior to installing the liberty cap sheet, the base/ply sheet is to be installed at all flashings. Walls, curbs, and shingle roof decks must be primed with liberty™ asphalt primer complying with astm d41.
Walls, curbs, and shingle roof decks must be primed with liberty™ asphalt primer complying with astm d41. Prior to installing the liberty cap sheet, the base/ply sheet is to be installed at all flashings.