Commercial / industrial roofing company. We install all types of flat roofing, EPDM, TPO, BUR, modified bitumen, tar and gravel, asphalt roofs. We have our own sheet metal shop for fabricating and installing all types of architectural sheet metal. The company was founded in 1910 and has been run continuously by the same family. Maintenance and repairs of flat roofs are a specialty of A-1 Roofing Company.