Products / Industrial Doors / Fire Rated Doors / Swing Hollow Metal Swing Hollow Metal Doors and frames will be reinforced for surface applied hardware. Hollow Metal Service DoorDoors and frames will be reinforced for surface applied… Hollow Metal Fire Rated DoorDoors and frames will be reinforced for surface applied… Hollow Metal Emergency DoorDoors and frames will be reinforced for surface applied… Bullet Resistance DoorLevel 1 through Level 3 bullet resisting door and frame (…