Ft sbs self adhering cap sheet roll for low slope roofing in black.
Roll roofing material impregnated.
Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch.
Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing.
Rolled roofing material is often used on roofs that are low sloped.
Now almost not produced and is not used due to the fact that tar is a carcinogen.
Gaf tri ply app granule cap sheet 3 3 ft w x 32 25 ft l 100 sq ft white roll roofing.
This material is similar to pergamin only as impregnation coal tar was used.
In modern rolled bituminous materials cardboard which eventually collapses was replaced with glass fiber glass half or synthetic fabric.
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.