Chicago Flameproof (866) 884-7591

Wisconsin Flameproof (866) 884-7593

North Texas Flameproof (866) 884-7594

Exterior Grade Fire Rated Lumber

house under constructionExterior grade fire rated lumber is a great choice when choosing building materials for construction. If you are questioning why, let us explain. Exterior grade fire rated lumber is treated so that in the unfortunate case that your building ever catches on fire, the wood will burn slower than untreated wood would burn, thus allowing for more time for the fire to be put out and therefore preventing even more damage to occur. And if you are wondering about the versatility of this exterior grade fire rated lumber, do not worry. This lumber can be used in the exact same way that regular lumber is used! Why would you choose to build with anything else when Chicago Flameproof offers this quality exterior grade fire rated lumber? We always have a full line in stock! For more information on this lumber and/or if you have any questions, please give us a call! We have three branches nationwide. You can reach us at the following numbers:
  • Chicago, IL branch: (866) 884-7591
  • Milwaukee, WI branch: (866) 884-7593
  • Fort Worth, TX branch: (866) 884-7594
If you are not located in one of these areas, that is not a problem. We will ship our products nationwide and deliver onsite!

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