Asphalt shingles come in two varieties: fiberglass and organic. Fiberglass shingles are made of a woven fiberglass base mat, covered with a waterproof asphalt coating, and topped with ceramic ...

Roofing products covered include asphaltic felts, bituminous membranes, asphalt shingles and liquid-applied roof coatings. Asphalt can also be used in the manufacture of other products. This includes ...