Construction Types Definitions
Construction Types Definitions TYPE IAFire Resistive Noncombustible Commonly found in highrise buildings and Group I occupancies 3 Hr Exterior Walls 3 Hr Structural Frame 2 Hr FloorCeiling Assembly 1 ½ Hr Roof Protection TYPE IBFire Resistive NonCombustible Commonly found in midrise office Group R buildings 2 Hr Exterior Walls