Roofing felt types available.
Organic membrane roof.
Guide lines have been placed on the top surface for easy alignment of asphalt shingles.
Historically the most common type was a tar and pitch membrane but newer synthetic materials are quickly taking over.
Asphalt cotton membrane unrolls easily for wrinkle free smooth application and has an elastic interlocking system for a firm mechanical bond between coatings.
Membrane roofing for flat roofs.
For a flat roof these newer synthetic membranes offer a great leak proof option.
Synder offers multiple polymer types for ultrafiltration and microfiltration organic membranes including pes polyethersulfone pvdf polyvinylidenedifluoride and pan polyacrylonitrile.
Designed to repair roof leaks and add strength.
Organic roofing materials this saturated felt is a uniform flexible felt of organic fibers impregnated with an asphalt saturant.
To repair leaks and add strength to your roof this 4 in.
Newer synthetic membranes the new membrane products began to appear in the 1950 s.
A wide variety of organic roofing material options are available to you such as astm aisi.