Roofing Felt Base Sheet

Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.

Roofing felt base sheet.

The sealed sheet also serves as an effective flame retarder for the application of torch applied modified bitumen membranes. It is made of fiberglass or reinforced polyester or composite reinforcement and is saturated coated with modified bitumen asphalt. All gmc products meet various astm standards. 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.

Glass base sheet gbs 40. 15 astm d 4869 type i covers 432 sq ft. A roofing base sheet is the bottom waterproofing layer on a multilayer roofing membrane system. Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer.

Thursday february 21 2019. 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 is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof. This is asphalt enhanced with plastic or rubber polymer.