Fiberglass Base Sheet Roofing
Leakbarrier glass base is a highly versatile glass fiber reinforced sheet coated with superior quality weathering grade asphalt.
Fiberglass base sheet roofing. 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. This is asphalt enhanced with plastic or rubber polymer. It is manufactured from a tough inorganic fiberglass mat then coated on both sides with a weathering grade asphalt coating and then covered with white sand fines to prevent sticking in the roll. Fiberglass base sheet is applied over the flat roofing deck or insulation as a base sheet by mechanical fasteners or hot asphalt before the application of build up roofing systems.
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. Gafglas 75 base sheet for built up roofing bur is a premium roofing sheet with a strong fiberglass mat to prevent asphalt bleed through. Leakbarrier glass base is designed for use as the initial or base ply in built up and modified bitumen roof systems. Firestone channel venting base is an oxidized asphalt coated fiberglass base sheet with granules on the underside of the membrane.
It is made of fiberglass or reinforced polyester or composite reinforcement and is saturated coated with modified bitumen asphalt.