Best Roofing and Waterproofing is a department of Best Contracting Services, an organization that was established in 1982 and serves institutional, commercial and industrial building owner clients in the private and public market sectors. The company also serves the general contracting community. Its capabilities include general engineering, electrical, glazing, roofing, sheet metal, and heating, ventilation and air conditioning services. Best Roofing and Waterproofing has expertise in the treatment of below-grade structures, between-slab membranes, concrete floors, expansion joints, parking decks and vertical walls. The company performs coating, caulking, spall repair and injection techniques. It also offers built-up, coating, foam, metal, modified bitumen, single-ply, and tile and shake processes. Best Roofing and Waterproofing maintains a location in Hayward, Calif.