| 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. Lon Smith Roofing is an Austin Roofing Company |
| Organic felt |
An asphalt roofing base material manufactured from cellulose fibers. Lon Smith Roofing is an Austin Roofing Company |
| Organic shingle |
An asphalt shingle reinforced with organic material manufactured from cellulose fibers. Lon Smith Roofing is an Austin Roofing Company |
| Overhang |
That portion of the roof structure that extends beyond the exterior walls of a building. Lon Smith Roofing is an Austin Roofing Company |
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