Asphalt roll roofing

This roll roofing on the roof was applied vertically and is in very poor condition.

Horizontally applied roll roofing on a ruined log cabin. Image: American Historic Building Survey

Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in North America. The material is based on the same materials used in asphalt shingles; an organic felt or fiberglass mat, saturated with asphalt, and faced with granular stone aggregate.

单词	Roll roofing
释义	Roll roofing 英语百科 Asphalt roll roofing Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in North America. The material is based on the same materials used in asphalt shingles; an organic felt or fiberglass mat, saturated with asphalt, and faced with granular stone aggregate.
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Roll roofing

Asphalt roll roofing