Woodgrain Millwork has reintroduced an enhanced FirewallFR that is now third-party certified ANSI M-2. FirewallFR is a 50# premium industrial particleboard with lab certified Class 1/Class A fire-rated properties. Boise Cascade engineered FirewallFR to meet the heightened protection requirements of commercial, institutional, and residential projects. Possessing high ponderosa pine content required for precision fabrication, FirewallFR promotes additional durability with MR10 moisture resistance.