SHEET TYPE ROOFING

摘要

SHEET TYPE ROOFING Sheet type felt material and sheet type roofing material such as shingles and rolls made therefrom. The felt comprises 10 - 60 wt % glass fibers of varying lengths, 15 - 80 wt % cellulosic fiber and 5 - 25% binder. The roofing material is felt of the invention saturated with asphaltic saturant and coated with filled asphaltic coating material and conventional roofing granules.