Roofing Felt Base Sheet

Tri ply 75 base sheet is a premium roofing base sheet constructed with a fiberglass mat reinforcing that is coated on both sides to ensure a closed sheet design to prevent asphalt bleed through.

Roofing felt base sheet.

A roofing base sheet is the bottom waterproofing layer on a multilayer roofing membrane system. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof. Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material.

15 astm d 4869 type i covers 432 sq ft. What is a roofing base sheet. This is asphalt enhanced with plastic or rubber polymer. Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer.

Gmc roofing felt is an industry leading superior quality authentic asphalt saturated organic felt underlayment. The sealed sheet also serves as an effective flame retarder for the application of torch applied modified bitumen membranes. Glass base sheet gbs 40. Gafglas 75 base sheet for built up roofing bur is a premium roofing sheet with a strong fiberglass mat to prevent asphalt bleed through.