Flameproof Companies

WHO.WE ARE. About Flameproof Companies 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 additional manufacturing & distribution facilities in Wisconsin, Texas, and Virginia. 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: *D-Blaze Fire Retardant Treated Wood *Wolman E MCA Preservative Treated Wood *FX Lumber Guard XT Exterior Fire Retardant *MagTechTM Fire Retardant OSB Sheathing *Timbers: MCA Preservative Treated *Engineered Lumber: I-Joist, LVL, Glulam *Metal, Gypsum and Insulation Products *Fire Retardant In-Wall Blocking