الوصف

Fire door is a door that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. It is located in the fireproof partition, evacuation stairwell, vertical shaft and other fireproof separators with certain fire resistance. It can withstand high temperatures in the housing construction specifically used to isolate the source of fire, for the fire work has a huge role, once the fire people can get through the fire door to escape opportunities