Allweather Wood is the largest waterborne preservative treated lumber manufacturer in the Western U.S. With facilities in California, Colorado, Oregon, and Washington, Allweather Wood manufactures and distributes top-quality preservative treated lumber, timbers, and plywood for residential, commercial, industrial, and agricultural applications including docks, decks, fences, bridges, pole barns, sill plate, framing, and fire-retardant construction. Species treated include Hem fir, Douglas-fir, and Southern Yellow Pine. The company continues to grow its product offerings in response to the ever-changing needs of its customers.