Term | Definition |
---|---|
Open valley |
Method of valley construction in which shingles on both sides of the valley are trimmed along a chalk line snapped on each side of the valley. Shingles do not extend across the valley. Valley flashing is exposed. |
Organic felt |
An asphalt roofing base material manufactured from cellulose fibers. |
Organic shingle |
An asphalt shingle reinforced with organic material manufactured from cellulose fibers. |
Overhang |
That portion of the roof structure that extends beyond the exterior walls of a building. |