Click on colorful terms to see a picture. Some terms, such as various methods, will not have pictures.
Gable: The upper portion of a sidewall that comes to a triangular point at the ridge of a sloping roof.
Gable Roof: A type of roof containing a sloping plane on each side of a single ridge with a gable at each end.
Gambrel Roof: A type of roof containing two sloping planes of different pitch on each side of the ridge. The lower plane has a steeper slope than the upper. Features a gable at each end.
Granules: Ceramic-coated colored crushed rock that is applied to the exposed surface of asphalt roofing products.
Gutter: The trough that channels water from the eaves to the downspouts.
Hand-Sealing: The method to assure sealing of shingles on very steep slopes, in high wind areas, and when installing in cold weather.
Head Lap: Shortest distance from the butt edge of an overlapping shingle to the upper edge of a shingle in the second course below. The triple coverage portion of the top lap of strip shingles.
HEX Shingles: Shingles that have the appearance of a hexagon after installation.
High Nailing: When shingles are nailed or fastened above the manufacturer’s specified location.
Hip: The inclined external angle formed by the intersection of two sloping roof planes. Runs from the ridge to the eaves.
Hip Legs: The down-slope edges on hip roofs.
Hip Roof: A type of roof containing sloping planes of the same pitch on each of the four sides. Contains no gables.
Hip Shingles: Shingles used to cover the inclined external angle formed by the intersection of two sloping roof planes.