An asphalt shingle that provides a dimensional appearance.
Tag: shingles
Asphalt
A dark brown or black substance found in a natural state or, more commonly, left as a residue after evaporating or otherwise processing crude oil or petroleum. Asphalt may be further refined to conform to various roofing grade specifications:
-
Dead-level asphalt
a roofing asphalt conforming to the requirements of ASTM Specification D 312, Type I. -
Flat asphalt
a roofing asphalt conforming to the requirements of ASTM Specification D 312, Type II. -
Steep asphalt
a roofing asphalt conforming to the requirements of ASTM Specification D 312, Type III. -
Special steep asphalt
a roofing asphalt conforming to the requirements of ASTM Specification D 312, Type IV.
Asphalt Shingle
A shingle manufactured by coating a reinforcing material (felt or fibrous glass mat) with asphalt and having mineral granules on the side exposed to the weather. (see Shingle)
Composition Shingle
A unit of asphalt shingle roofing.
Course
(1) the term used for a row of roofing material that forms the roofing, waterproofing or flashing system; (2) one layer of a series of materials applied to a surface (e.g., a five-course wall flashing is composed of three applications of roof cement with one ply of felt or fabric sandwiched between two layers of roof cement).
Cutout
The open portions of a strip shingle between the tabs. Sometimes referred to as a keyway.
Dimensional Shingle
A shingle that is textured, overlayed, or laminated and designed to produce a three-dimensional effect. (also see Laminated Shingle and Architectural Shingle.)
End Lap
The distance of overlap where one ply, pane, or piece extends beyond the end of the immediately adjacent underlying ply, panel, or piece.
Interlocking Shingles
Individual shingles that mechanically attach to each other to provide enhanced wind resistance without reliance on sealing strips.
Metal Roof Shingle
An interlocking metal sheet having an installed weather exposure less than 3 square feet (279000 mm2 or 0.28 m2) per sheet.
No-Cutout Shingles
Shingles consisting of a single solid strip with no cutouts.
Organic Shingle
An asphalt shingle reinforced with material manufactured from cellulose fibers.
Ridge Course
The last or top course of roofing materials, such as tile, roll roofing, shingles, etc., that covers the ridge and overlaps the intersecting field roofing.
Self-Sealing Shingle
An asphalt shingle containing a factory-applied strip or spots of heat sensitive adhesive intended to adhere the overlying shingle once installed on the roof and warmed by the sun.
Terne
An alloy of lead and tin, used to coat sheets of carbon steel or stainless steel for use as metal roofing sheet.
Wear Course
The top layer of surfacing that carries pedestrian or vehicular traffic. Sometimes referred to as wearing surface.
Woven Valley
A method of valley construction in which shingles or roofing from both sides of the valley extend across the valley and are woven together by overlapping alternate courses as they are applied.