Materials:Grand Canyon

Notice to the Reader: The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.

Manufacturer: gaf.ca Accepted for RoofStar Guarantee Program Since 2000 Product Summary Asphalt shingles conforming to CSA A123.5 98, UL 790 (ASTM E108) Class A and UL 790 (ASTM 3161; wind resistance) for slopes 1:6 (166 mm in 1000 mm; 2" in 12"). Except where noted, shingle dimensions are approximately 336 mm x 1000 mm (13 ¼" x 39 3/38"). 432 mm x 1016 mm, (17" x 40") extra heavy, premium, distinctive laminate.

Click below for the Technical Data Sheet.