| Term | Definition |
|---|---|
| Gable roof |
A type of roof containing sloping planes of the same pitch on each side of the ridge. A gable roof typically contains a gable at each end. Lon Smith Roofing is an Austin Roofing Company |
| 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. A gambrel roof usually contains a gable at each end, just like a standard gable roof. Lon Smith Roofing is an Austin Roofing Company |
| Granules |
Ceramic-coated colored crushed rock that is applied to the exposed surface of asphalt roofing products. Lon Smith Roofing is an Austin Roofing Company |
| Gutter |
The trough that channels water from the eaves to the downspouts. Lon Smith Roofing is an Austin Roofing Company |
| HEX shingles |
Shingles that have the appearance of a hexagon after installation. Lon Smith Roofing is an Austin Roofing Company |
| Hip |
The inclined external angle formed by the intersection of two sloping roof planes. The hip runs from the ridge to the eaves. Lon Smith Roofing is an Austin Roofing Company |
| Hip roof |
A type of roof containing sloping planes of the same pitch on each of four sides. A hip roof contains no gables. Lon Smith Roofing is an Austin Roofing Company |
| Hip shingles |
Shingles used to cover the inclined external angle formed by the intersection of two sloping roof planes. Lon Smith Roofing is an Austin Roofing Company |
| Ice dam |
Ice dams occur when snow melts near the ridgelines of warm roofs (roofs without adequate ventilation). As the water runs down the roof to the overhang, it cools and freezes. If the snow continues this melt and freeze process, an ice dam can form that can seep under the shingles, through the decking and into the house. This, of course, can cause serious roof leaks--even in freezing temperatures. The best prevention to ice dams is a well-ventilated (cool) roof. Additional protection for your roof can be applied with an impermeable ice and water membrane. The membrane is installed on top of the decking, under the roofing material. Temporary prevention of ice dams can also be done through the use of electric cables along the eaves of the roof (where the dams usually form). However, new ice dams can form above the cables and still cause extensive damage. Another emergency solution to ice dams is to fill a sock or nylon with calcium chloride. Lay the stocking vertically across the ice dam. The calcium chloride will melt the ice and release the water so that it can drain outside, and not inside your roof. Lon Smith Roofing is an Austin Roofing Company |
| Intake Ventilation |
The part of a ventilation system used to draw fresh air in. Usually vents installed in the soffit or along the eaves of a building. Lon Smith Roofing is an Austin Roofing Company |
| Interlocking shingles |
Individual shingles that mechanically fasten to each other to provide wind resistance. Lon Smith Roofing is an Austin Roofing Company |
| Joists |
Any of the small timbers or metal beams ranged parallel from wall to wall in a structure to support a floor or ceiling. Lon Smith Roofing is an Austin Roofing Company |
| Laminated shingles |
Strip shingles containing more than one layer of tabs to create extra thickness. Laminated shingles are also called three-dimensional shingles. Lon Smith Roofing is an Austin Roofing Company |
| Lap |
To cover the surface of one shingle or roll with another. Lon Smith Roofing is an Austin Roofing Company |
| Lap cement |
An asphalt-based cement used to adhere overlapping plies of roll roofing. Lon Smith Roofing is an Austin Roofing Company |
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