Support

For the convenience of our customers, our Irwindale and Riverside plants open at 6 A.M. Monday through Friday. Our friendly and knowledgeable staff may be reached at 1-800-266-GRIT and are willing and able to assist customers with technical data, specifications, coverage and special blends for architects, inspectors, and roofing contractors. By providing all of these services and a vast array of products, A-1 Grit Company assures our customers that they are dealing with the best in quality services and reputability in the roofing industry for over 50 years.