Gaf Glass Base Sheet

Ul class a b or c membrane constructions are available and system guarantees are available for up to 20 years.

Gaf glass base sheet.

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. Gafglas 75 base sheet for built up roofing bur is a premium roofing sheet with a strong fiberglass mat to prevent asphalt bleed through. Find gaf s specifications for gafglas 75 base sheet here.

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. Gafglas stratavent perforated venting base sheets are unique in the industry. 3 5 4 gafglas stratavent eliminator base sheet. It has a high tensile strength and high degree of dimensional stability resulting in a roof system with greater resistance to splitting and cracking.

The patented perforated design allows mopping asphalt to flow through to the substrate as the next ply of the roof system is installed. The bottom of the sheet is granule surfaced. Special loctite closed pore design prevents bleed through while provid ing iong lasting leak protec tion in a variety of demanding applications. 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.

It is available for nailable or non nailable substrates. 4 inches by 40 8 feet 1 m by 12 4 m. The membrane complies with astm d 4897. Gaf triply 75 base sheet tri ply 75 base sheet a heavyweight asphalt coated glass base sheet fully coated on both sides for use as a base ply in the construction of tri ply modified bitumen roof systems.

Why gafglas ply 4. It is manufactured in a roll size of 39.