Firestone Fiberglass Base Sheet

First known as pacific cement laundry tray company its sole product was cement laundry trays.

Firestone fiberglass base sheet.

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. There is a slight grid pattern embossed into the granules to further aid in venting latent moisture in the existing roof system or deck. The company was founded in 1947 in oakland ca by ray and ann flores. Our sbs premium base features a glass fiber mat glass scrim composite reinforcement.

It has been designed to provide superior durability and ease of installation in asphalt roofing systems. This commitment has resulted in the development of firestone insulation boards and firestone cover boards. See brochure item 1223 base sheet comparison guide for a complete listing. Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane.

During torch application of the cap sheet the fiberglass reinforced base sheet serves as an effective work platform and thermal barrier. 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. Fiberglass reinforced 70 mil thick self adhered base sheet for use with both app and sbs roof 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 has been committed to offering a complete line of high performing roofing solutions as individual as your building. Firestone mb base sheet is high performance roofing base sheet which is asphalt impregnated and coated and has a glass fiber mat reinforcement. Firestone base sheets typically feature either a glass fiber mat or a polyester mat enhanced with glass fiber.