Alcal Specialty Contracting, Inc is a large commercial and residential specialty contractor that has operated continuously since 1971. Our main trades have always been Roofing and Insulation with the addition of multiple trades including Waterproofing, Expansion Joints and Overhead Doors to keep up with customer demand. The majority of our employees are skilled union tradespeople with years of experience in the industry. Branches are located in Arizona, California, Colorado, Hawaii, Nevada, Oregon and Washington.