Firestone Fiberglass Base Sheet

Our sbs premium base features a glass fiber mat glass scrim composite reinforcement.

Firestone fiberglass base sheet. Fiberglass reinforced 70 mil thick self adhered base sheet for use with both app and sbs roof systems. 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. Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane.

The company was founded in 1947 in oakland ca by ray and ann flores. 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 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.

The fiberglass reinforcing mat contributes dimensional stability for ease of application. Firestone has been committed to offering a complete line of high performing roofing solutions as individual as your building. 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. 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 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. Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane. See brochure item 1223 base sheet comparison guide for a complete listing.