AGGREGATE MATERIALS
Syar Industries mines, processes, and sells a variety of rock, sand, and gravel products from each of its four aggregate plants located in Healdsburg, Napa, Vallejo, and Madison. Standard products meeting Caltrans and/or American Society for Testing and Materials (ASTM) specifications are available including asphalt mineral aggregate, facing stone, rip rap, chips, aggregate base, shoulder backing, PCC grade aggregates, sand, backfill, and more. Various specialty products can also be produced at customer request. In addition, each location accepts and processes broken asphalt and concrete for recycling into construction materials such as recycled aggregate base.