Products

ASC APP 4.5 G is a polyester reinforced APP modified bitumen roofing product specially designed for heat-welded applications. ASC APP 4.5 G is designed for use as a cap sheet in APP multi-ply roofing systems. It can be used over various substrates for both new construction and reroofing. It is suitable for most low sloped roof decks and may be used for roof system flashings including wall treatments, base flashings, and field flashings.