Firestone Fiberglass Base Sheet

The base sheet also achieves complete fusion assuring that the basegard sa base sheet works as a redundant monolithic waterproofing layer beneath the cap sheet.

Firestone fiberglass base sheet.

Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane. The fiberglass reinforcing mat contributes dimensional stability for ease of application. During torch application of the cap sheet the fiberglass reinforced base sheet serves as an effective work platform and thermal barrier. Firestone mb base sheet is high performance roofing base sheet which is asphalt impregnated and coated and has a glass fiber mat reinforcement.

Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane. First known as pacific cement laundry tray company its sole product was cement laundry trays. Firestone basegard sa basegard sa is a nominal 70 mil fiberglass reinforced self adhered modified bitumen base sheet that can be used with firestone s full line of app and sbs systems. When heat is applied to the surface from a torch hot asphalt or certain 2 part firestone adhesives the membrane adhesive is activated forming.

Firestone basegard sa base sheet consists of a styrene butadiene styrene sbs rubber modified self adhesive asphalt blend reinforced with a 1 8 lb 100 ft 90 g m glass fiber mat and coated with a fine mineral release agent on the top surface and an opaque release film on the bottom surface. The company was founded in 1947 in oakland ca by ray and ann flores. It has been designed to provide superior durability and ease of installation in asphalt roofing systems. There is a slight grid pattern embossed into the granules to further aid in venting latent moisture in the existing roof system or deck.

Our sbs premium base features a glass fiber mat glass scrim composite reinforcement. See brochure item 1223 base sheet comparison guide for a complete listing. There is a slight grid pattern embossed into the granules to further aid in venting latent moisture in the existing roof system or deck. Firestone base sheets typically feature either a glass fiber mat or a polyester mat enhanced with glass fiber.