Fire Retardant-Treated Wood Products
From the member treaters of Western Wood Preservers Institute
Welcome to the Western Wood Preservers Institute's Fire Retardant-Treated Wood website. WWPI is a nonprofit trade association representing the producers of quality fire retardant-treated wood in western North America.
The fire retardant-treated wood products manufactured by WWPI member companies include sawn lumber, plywood and beams.
These companies also produce pressure-treated preserved wood products, which are detailed in our sister website PreservedWood.org