Steep-Sloped Roofing Products
Steep-sloped roofs have a roof surface with a slope (rise to run) ratio of greater than or equal to 2:12 (9.5 degrees from the horizontal) and are often found on single family homes. The products described below are primarily on steep-sloped roofs, although in some cases they may also be used for low-sloped roofs.
Asphalt Shingle
Asphalt shingles are the most common type of residential roofing, as they are relatively inexpensive and simple to install. They are composed of asphalt and a reinforcement layer that is coated with mineral granules. Asphalt shingles come in two standard design options: Architectural shingles and 3-Tab shingles. Architectural shingles are generally thicker and stronger and vary in shape and size.
Clay or Concrete Roofing Tiles
Tile roofing is relatively common in residential applications and is available in clay and concrete varieties. Roofing tiles are resistant to fire, hail, and moisture, and they come in a variety of architectural styles and colors.
Directionally Reflective Materials
Directionally Reflective Materials (DRM) change color depending on the angle of view. For example, DRM can appear dark from the street, but white from above. DRM products can come as a granulated product similar to modified bitumen or asphalt shingles, or in a micro stair-step pattern similar to a metal panel.
Metal
Metal roofing is commonly made of steel, aluminum, or copper. Metal roofing can come in structural metal panels or in shingle, shake, or curved facsimiles, and it is available in a variety of shapes, textures, and colors. Metal roofing is frequently coated with a factory-applied coating that provides color and durability.
Polymer/Composite
Polymer or composite roofing products are manufactured from polymer to mimic natural shingles, shakes, and slate. Polymer/composite products are typically lightweight and can be fire-resistant and/or made of recycled materials.
Slate
Slate roofing is made of natural stone and is available in a variety of colors, shapes and textures.
Wood
Wood roofing products are typically manufactured from cedar wood. They are available in shake and shingle varieties.
You can search for roofing products by type on the CRRC Rated Roof Products Directory.
Codes & Standards
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