For a flat roof on a home or garage homeowners are learning that the traditional roofing material asphalt roll roofing is probably not the best choice any longer.
Roll roofing material impregnated.
If your roof pitch declines up to 1 inch vertically for every 12 inches horizontally 1 12 pitch it is a good candidate for rolled roofing as long as you use the concealed nail method of fastening.
In modern rolled bituminous materials cardboard which eventually collapses was replaced with glass fiber glass half or synthetic fabric.
Rolled roofing material is often used on roofs that are low sloped.
Gaf tri ply app granule cap sheet 3 3 ft w x 32 25 ft l 100 sq ft white roll roofing.
Ft sbs self adhering cap sheet roll for low slope roofing in black.
This material is similar to pergamin only as impregnation coal tar was used.
Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing.
Modified bitumen roll roofing a longer lasting roll roofing material for flat roofs they just don t make stuff like they used to.