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Preservative Treated Lumber and Plywood

Allweather Wood preservative treated lumber and plywood products are available in borate, copper azole (CA-C), micronized copper azole (MCA), and chromated copper arsenate (CCA-C) formulations in wood species including Douglas-fir, Hem fir, Southern Yellow Pine, and Spruce-Pine-Fir. The full Allweather Wood product assortment includes a wide range of stocking lumber dimensions including 2-inch, 3-inch, 4-inch, 6-inch, and 8-inch and CDX plywood options. Additional products include fencing, landscape timbers, poles and round stock, peeled posts, tree stakes, and much more. 

Allweather Wood ranks as the largest waterborne preservative treated lumber and plywood manufacturer in the Western U.S. Six manufacturing and co-located distribution facilities are in Ukiah, California; Loveland, Colorado; Coos Bay and White City, Oregon; Washougal, Washington; and Woods Cross, Utah. Additional distribution centers in Woodland and Fontana, California ensure prompt delivery of customer orders. 

Allweather Wood also manufactures fire retardant treated lumber and plywood at its Ukiah, California, Loveland, Colorado, and Woods Cross, Utah facilities. Customer orders ship via rail and truck. 

Dealers and distributors are encouraged to contact Allweather Wood sales for additional information or visit our website at

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