The steel fireproof door and door frame shall be filled with incombustible materials, and the melting temperature of door lock, hinge, bolt and other hardware accessories shall not be lower than 950 ℃. At present, the size of fire doors is not specified, and only the fire endurance of fire doors is required.

fire rated door viewing panel,produsen pintu tahan api di mumbai,6 panel steel fire rated door,36 inch fireproof door,

produsen pintu tahan api,pintu tahan api untuk rumah,pintu tahan api,6 panel steel fire rated door,pintu keamanan logam, standar pintu tahan api, pintu tahan api,fire rated door astragal,kunci pintu tahan api,pintu tahan api 36 inci,

tahan api, cat pintu,fire rated door viewing panel,pintu tahan api malaysia, pintu besi