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	Asphalt roll roofing
释义	Asphalt 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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