Compared with wooden fire doors, the main structure of steel fire doors is more stable, and the surface treatment process of steel fire doors is more diverse, which is more suitable for schools, office buildings, hospitals and other public places than wooden fire doors.

rolling steel door fire rated,3 hr fire door,exterior fire rated steel doors,120 minute fire rated doors,fire resistant doors,ul fire rated door,ecological fire door,120 minute fire rated doors,white 34 inch fire rated steel insulated door,3 hr fire door,double leaf fire door,ul fire rated door,2 hours fire rated door,120 minute fire rated doors,fire rated door frame,3 hr fire door,size 9×21 or 10×21 fire rated steel doors,ul fire rated door