Roofing Felt Base Sheet

Gmc roofing felt is an industry leading superior quality authentic asphalt saturated organic felt underlayment.

Roofing felt base sheet.

These systems utilize heat welding machines or propane welding equipment to melt the asphalt creating an. Installation methods for roofing base sheets hot mopping. Suitable in nailable specifications where bleed thru is a concern. The resulting system is.

Base and felt sheets offer heat resistance and low temperature flexibility to create a stronger more secure roof assembly. All gmc products meet various astm standards. The sealed sheet also serves as an effective flame retarder for the application of torch applied modified bitumen membranes. Garland s high performance roof membranes are the first line of defense against mother nature offering unparalleled strength durability and functionality.

4 square standard 15 astm d 4869 type i covers 432 sq ft. Gap 43 organic base sheet d astm 2626 04 is manufactured from superior quality felt that is saturated with asphalt and then coated on both sides with weathering grade coating asphalt and then covered on top with mineral surface fines to prevent sticking in the roll. The hot mopped system is a traditional method of applying bituminous base sheets. They will not rot curl or shrink and are dimensionally stable for improved membrane performance.