Established in 1914, Demmons Roofing is a commercial and high-end residential roofing contractor that serves clients in the state of Maine. It provides installation services for single-ply membrane, standing seam metal, and tar and gravel roofs. Demmons Roofing is an approved applicator of roofing products from various manufacturers, such as Firestone Building products and Carlisle Syntec Systems. It specializes in historical restoration, as well as provides emergency leak repair services. Demmons Roofing handles roofing projects for schools, restaurants, marinas, breweries and office buildings. Its client list includes Clark associates, Weir Properties, The Gerber Company and Saunders Brothers. Located in Portland, Maine, Demmons Roofing is a division of W.H. Demmons Incorporated, which is a specialty contractor that designs, manufactures and maintains heating, ventilating and air conditioning systems. W.H. Demmons Incorporated also offers sheet metal fabrication services.