Allweather Wood Preservative Treated Lumber


Allweather Wood manufactures and distributes a complete line of preservative treated lumber and plywood products, including decking, fencing, poles and round stock, and timbers. As the largest waterborne preservative treated manufacturer in the Western U.S., Allweather Wood offers products for agricultural, industrial, as well as residential applications.  The company operates five wood preserving plants with locations in California, Colorado, Oregon, and Washington. These state-of-the-art facilities enable year-round production of a variety of preservative systems and wood species, including Hem fir, Douglas-fir, and Southern Yellow Pine.  Each facility features:

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  • High-speed incisors
  • Custom pre-staining capabilities
  • Computer controlled treatment cylinders
  • Distribution capabilities 
  • Third-party quality control inspection in accordance with American Wood Protection Association (AWPA) industry standards

To learn more, please visit In addition, an Educational Webinar Series is provided to instruct dealers, distributors, lumber yard employees, and other industry professionals about the preservative treated lumber category. (paid placement)

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