Chicago Flameproof Wood

Since 1971 The FLAMEPROOF COMPANIES have manufactured Fire Retardant and Preservative Treated Lumber & Plywood. What began as a small treatment facility in Chicago has now grown into a nationwide operation with manufacturing & distribution facilities in Wisconsin, Texas and most recently, the Pacific Northwest. Today, The Flameproof Companies is a manufacturer of high-performance treated wood products that specializes in the production of treated lumber, plywood, OSB and engineered wood products featuring a range of superior chemistries including: fire retardants, metal & non-metal based preservatives, intumescent & non-intumescent coatings, water repellants, mold release agents & other unique chemistries.

Since 1971 The FLAMEPROOF COMPANIES have manufactured Fire Retardant and Preservative Treated Lumber & Plywood. What began as a small treatment facility in Chicago has now grown into a nationwide operation with manufacturing & distribution facilities in Wisconsin and Texas. We stock a complete line of preservative treated lumber and plywood. For those hard to find and special order items, you'll for sure be impressed with our quick turn time & service capabilities. MagTech Fire Retardant OSB Sheathing is the obvious choice for contractors wanting to meet strict building requirements with ease, and can be used in fire-rated wall applications, as well as for fire retardant structural sheathing on exterior and interior walls, pitched roofs, flat roof decks, and floors.