Supporting Members

Western Fire Retardant Wood Producers

This website and other materials have been developed in cooperation with the WWPI Member companies who produce fire retardant-treated wood products in the western U.S.

These treaters are dedicated to providing quality fire retardant-treated lumber and plywood products that meet all building code and treating standards while using fire retardants recognized by the International Code Council.


Allweather Wood
Ukiah, CA; Loveland, CO; Coos Bay, OR; Medford, OR;
Salt Lake City, UT; Washougal, WA

California Cascade Industries
Fontana, CA; Sacramento, CA

Chemco, Inc
Ferndale, WA

Conrad Forest Products
Arbuckle, CA; North Bend, OR; Rainier, OR

Royal Pacific Industries
McMinnville, OR

Eugene, OR; Sheridan, OR; Tacoma, WA

Superior Wood Treating
Sumner, WA

Taiga Exterior Wood, Inc.
Washougal, WA

Thunderbolt Wood Treating
Riverbank, CA

Utah Wood Preserving Company
Salt Lake City, UT

Western Wood Preserving Co.
Sumner, WA