The wall, door frame, door and hardware must all be fire rated. The door must be self closing and positive latching (push/pull plates cannot be used on a fire rated door) and steel ball bearing hinges must be used.
1. Labeled Door Frame
2. Labeled Door
3. Approved Closing Device (Door Closer or Spring Hinges; Spring Hinges for Doors up to 3’0″ x 7’0″ only)
4. Approved Latching Device (Lockset or Exit Device)
5. Steel Ball Bearing Hinges