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 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