1 Hour Fire-Rated Wood Beam. The first is one layer gwb with metal furring strips or resilient channel, and the second is two layers gwb board. An additional difference between the two assemblies is that p522 allows insulation in.
Fire Retardant Wood, Fire Retardant Wood Products from www.flamesafe.co
An additional difference between the two assemblies is that p522 allows insulation in. The first is one layer gwb with metal furring strips or resilient channel, and the second is two layers gwb board.
The First Is One Layer Gwb With Metal Furring Strips Or Resilient Channel, And The Second Is Two Layers Gwb Board.
An additional difference between the two assemblies is that p522 allows insulation in.
