Founded in 1956, A-1 Grit Company is a leading manufacturer of specialty sand and rock products in Southern California. We provide exceptional service and products that consistently meet or exceed industry standards. We are recognized by Architects, Consultants, Engineers, and Inspectors as the premiere producer of specialty aggregates. Our products are shipped locally, nationally, and internationally.

A-1 Grit Company specializes in the production of washed, kiln-dried and screened aggregates for different industries. We provide specialty aggregate products to meet specific needs or architect and engineering specifications. Through our unique quality control program, we exceed the American Society of Testing and Methods (ASTM) and Uniform Building Code (UBC) specifications. We provide the cleanest aggregate product available on the market!

Our products include specialty sand, natural color rock, ceramic coated granules and ballast for single ply systems. Products are available in bags, bulk, pails, super-sack, and pneumatic tanks.

The milling process includes drying materials and classifying sizes. We offer milling, drying, and/or packaging to outside companies for their products. All our processes are done from our environmentally friendly, fully permitted, energy efficient plants.

If you have any questions about our products or are interested in purchasing any of our specialty aggregate products, please contact one of our friendly and knowledgeable staff members at 1-800-266-GRIT. We're here to assist you with technical data, specifications, coverage and special blends for architects, inspectors, and roofing contractors. With over 50 years experience in the roofing industry, we guarantee you the highest quality products and services at a price that fits your budget. Give us a call today!