Fire Treated Lumber & Plywood
Hoover Fire Retardant Products offer proven strength, proven fire performance, proven code compliance, proven smoke toxicity tests. Each piece bears the UL classification mark. Pyro-Guard fire retardant lumber and plywood has a 25 or less flame spread when tested in accordance with ASTM E84. Exterior treatments also available in lumber and plywood (Exterior Fire-X).
Please see website for installation instructions
Website