Building Materials

Guide Customers to the Right Preserved Wood

Not all preserved wood products are created equal. Help your customers and sales staff select the proper preserved wood product for their specific residential uses with a one-page infographic available online and in printed copies.

Not all preserved wood products are created equal. Help your customers and sales staff select the proper preserved wood product for their specific residential uses with a one-page infographic available online and in printed copies. Developed by Western Wood Preservers Institute (WWPI), in cooperation with the Softwood Lumber Board and American Wood Protection Association (AWPA), the easy-to-read infographic shows typical uses for preserved wood in residential applications. Uses range from decking and deck framing to porch posts and fascia.

For each use, the info graphic shows the recommended level of treatment to provide necessary protection, from Use Category UC-2 Above Ground to UC-4A Ground Contact. The chart reflects the changes in AWPA standards adopted in 2016 that detailed specific applications where a higher level of protection may be warranted.

Treatment levels are listed on the end tags of preserved wood and a handy End Tag guide on the infographic shows how to identify the proper wood product. Information on the end tags are defined by building codes.The one-page infographic can be downloaded from the Technical Library at www.PreservedWood.org or from the Think Wood website at www.thinkwood.com/news/select-the-right-preserved-wood-for-your-project. A link to the infographic is also featured on the AWPA website at https://awpa.com/standards/ucs.

Expanded information on preserved wood selection is featured in a four-page WWPI publication PreserveSpec: Specifying with AWPA Use Categories for Construction. In addition to the infographic, the specifying guide lists the full Use Category standards, common preservatives used for residential products and a chart of retentions typical uses.The publication can also be downloaded from the Preserved Wood Technical Library. Or you can order up to 50 free printed copies of the PreserveSpec guide or the one-page infographic by contacting WWPI at info@wwpi.org.

Western Wood Preservers Institute

The Western Wood Preservers Institute (WWPI) is a non profit trade association, headquartered in Vancouver, Washington, that has represented the interests of the preserved wood products industry in western North America for more than 60 years.

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