Gaf Glass Base Sheet

4 inches by 40 8 feet 1 m by 12 4 m.

Gaf glass base sheet.

Constructed with a strong glass fiber mat coated with the finest quality asphalt this base sheet is designed with optimum porosity to assure a sound watertight membrane. Gafglas 80 ultima base sheet is a high performance asphalt coated glass reinforced roofing base sheet. 3 5 4 gafglas stratavent eliminator base sheet. Special loctite closed pore design prevents bleed through while provid ing iong lasting leak protec tion in a variety of demanding applications.

The patented perforated design allows mopping asphalt to flow through to the substrate as the next ply of the roof system is installed. Lightweight and applies quickly greater adhesion to asphalt or cold applied cements. Thsi is a roofing base sheet constructed of glass fiber mat and asphalt. The membrane complies with astm d 4897.

The glass base resists the effects of moisture on the roof system while the aesthetically attractive granule surface provides an ultra violet protective surface and requires no additional surface coatings. Why gafglas ply 4. It is manufactured in a roll size of 39. Gaf tri ply app granule cap sheet 3 3 ft w x 32 25 ft l 100 sq ft white roll roofing.

It is available for nailable or non nailable substrates. Ul class a b or c membrane constructions are available and system guarantees are available for up to 20 years. Gaf tri ply 75 base sheet tri ply 75 base sheet is a premium roofing base sheet constructed with a strong glass mat coated on both sides to prevent asphalt bleed through that also serves as an effective flame retarder for the application of torch applied modified bitumen membranes. Gafglas 75 base sheet for built up roofing bur is a premium roofing sheet with a strong fiberglass mat to prevent asphalt bleed through.

It has a high tensile strength and high degree of dimensional stability resulting in a roof system with greater resistance to splitting and cracking. Gafglas stratavent perforated venting base sheets are unique in the industry.