Western Wood Preservers Institute
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- How Preserved Wood is Made
- Field Treating Preserved Wood
- Preserved Wood Technical Library
Western Wood Preservers Institute (WWPI) is a nonprofit member trade organization that has been representing the interests of the preserved wood products industry throughout western North America for nearly 75 years. Its membership consists of companies that manufacture products in, are directly affiliated with, or provide a service to the preserved wood industry. The primary activity areas of WWPI include product education, regulatory, and market outreach programs aimed at sustaining a viable western North America preserved wood industry.
