Who We Are

Located in Sumner, Washington, Western Wood Preserving Co. has been a manufacturer of pressure treated wood products, supplying residential, commercial and industrial markets of the Pacific Northwest since 1971 . In addition, our strategic location near the ports of Tacoma and Seattle, provide easy access to the Alaskan, Hawaiian and Pacific Rim markets. More

Our Products


The best conservation of wood is the preservation of wood. Therefore, the wood preserving industry has been a leader in wood preservation and carbon sequestration for decades, which preserve forests and the environment.

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