Chicago Flameproof (866) 884-7591

Wisconsin Flameproof (866) 884-7593

North Texas Flameproof (866) 884-7594

Illinois Fire Treated Lumber Supplier

Flameproof Companies is a best in class Illinois fire treated lumber supplier. For over 40 years, this industry leader has manufactured preservative treated and fire retardant lumber and plywood. Flameproof Companies was even one of the first manufacturers of fire treated lumber to become FSC Certified. Customers benefit from working with Flameproof Companies, as it is a manufacturer who understands the construction industry and its demands. In addition to fire retardant products, Flameproof Companies also distributes Versaroc, Homasote, metal studs, and more. In addition to being a top Illinois fire treated lumber supplier, Flameproof Companies has locations in Wisconsin and Texas. Additionally, Flameproof Companies also offers onsite product delivery for orders of any size in an effort to make obtaining responsible building materials easy for consumers. For more information or to request a quote, please calls us at (866) 884-7591.

Fire Treated

Wood graphicWe stock a complete line of lumber and plywood. We provide quick turn around on special order treated items.

Green Products

  FSC® Certified lumber and Plywood in Treated and untreated for all of your LEED projects.

Building Products


We specialize in non-combustible material and hard-to-find commercial industry items.

Chicago Flameproof

1200 South Lake Street
Montgomery, IL 60538
phone 866-884-7591
fax 630-896-4773

North Texas Flameproof & Wood Specialties Corp

4215 Chickasaw St.
Fort Worth, TX 76119
phone 866-884-7594
fax 817-534-9807

Wisconsin Flameproof

8530 West Calumet Rd
Milwaukee, WI 53213
phone 866-884-7593
fax 414-365-3674