what are roof shingles usually made of
These elements are typically flat, rectangular shapes laid in courses from the bottom edge of the roof up, with each successive course overlapping the joints below. Shingles are made of various materials such as wood, slate, flagstone, fibre cement, metal, plastic, and composite material such as asphalt shingles. Ceramic roof tiles, which still dominate in Europe and some parts of Asia, are still usually called tiles. Roof shingles are a very common roofing material in the United States, but may deteriorate faster and need to repel more water than wall shingles.
Unlike many other traditional roof shingles and rolls, which are mainly composed of slate, wood, ceramic, asbestos, or bitumen-soaked paper, rubber roofing shingles are usually be made from recycled (vehicle) tires (a tremendous source of waste material), sawdust and slate dust. The rubber roofing shingles manufacturing process looks the following: 1  the tire wall is removed and the tread section gets cut into large pieces;  treading gets buffed off and the rubber surface is coated with slate dust or sawdust (comes from recycled sources, like recycled slate tiles or mills);