Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane.
Fiberglass base sheet roofing.
There is a slight grid pattern embossed into the granules to further aid in venting latent moisture in the existing roof system or deck.
Henry 604 25 fiberglass base sheet is a heavy duty asphalt coated sheet with a heavyweight non woven fiberglass mat suitable for use in fire retardant membrane assemblies built up roofing systems ply sheets and base sheets.
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 coating layer of asphalt on each side that reacts with henry cold application cement solvents to provide excellent adhesion without decreased tensile strength.
It is ideal for applications involving mechanical fasteners hot asphalt or cold adhesives.
Leakbarrier glass base is a highly versatile glass fiber reinforced sheet coated with superior quality weathering grade asphalt.
This is asphalt enhanced with plastic or rubber polymer.
Leakbarrier glass base is designed for use as the initial or base ply in built up and modified bitumen roof systems.
It is made of fiberglass or reinforced polyester or composite reinforcement and is saturated coated with modified bitumen asphalt.