This topic includes information related to asphalt shingles installed during construction. Asphalt shingles are the most common type of roofing material used on residential roofs to keep rain water from entering a structure. Asphalt shingles with either organic or fiberglass material are available as a 3-tab or laminated layer shingle. They are fastened to a roof deck or sheathing and range in durability, depending on a manufacturers warranty, 20 to 50 years.