Featuring “Air Master” Fire Rated Ductwork
Uniquely designed, non-coated Fire Resisting Steel Ductwork Tested in horizontal as well as vertical orientation under cellulosic fire conditions and successfully achieved over 120 minutes of fire resistance for integrity, stability and Insulation criterion of Duct A (Fire Outside the ductwork) and Duct B (Fire Inside the ductwork). A global product assessment and certification of …