Firestone Fiberglass Base Sheet

Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane.

Firestone fiberglass base sheet.

It has been designed to provide superior durability and ease of installation in asphalt roofing systems. First known as pacific cement laundry tray company its sole product was cement laundry trays. 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. This commitment has resulted in the development of firestone insulation boards and firestone cover boards.

Our sbs premium base features a glass fiber mat glass scrim composite reinforcement. Firestone mb base sheet is high performance roofing base sheet which is asphalt impregnated and coated and has a glass fiber mat reinforcement. Firestone has been committed to offering a complete line of high performing roofing solutions as individual as your building. See brochure item 1223 base sheet comparison guide for a complete listing.

The company was founded in 1947 in oakland ca by ray and ann flores. The fiberglass reinforcing mat contributes dimensional stability for ease of application. When heat is applied to the surface from a torch hot asphalt or certain 2 part firestone adhesives the membrane adhesive is activated forming. 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. During torch application of the cap sheet the fiberglass reinforced base sheet serves as an effective work platform and thermal barrier. 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. Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane.