In order to protect life and property timely and effectively in case of fire, and in accordance with the fire protection design requirements of high-rise building refuge, the fire door adopts double-sided fireproof board to achieve dual internal and external fire prevention treatment, which can fully meet the fire protection requirements of Class A 1.50h and Class B 1.00h, which can strive for greater rescue opportunities for people in case of fire, Make sure there is enough time for rescue.

The fire door in the refuge room is seldom noticed, but it is related to everyone's life safety. In case of a fire, the fire door of the refuge can play the role of fire isolation, isolating the highly toxic smoke and high temperature outside the refuge. Provide shelter for people in high-rise buildings and provide more opportunities for emergency rescue.

For residential buildings with a building height of more than 54m, each household shall have a refuge room, and the door of the room shall be straight with Class B fireproof door, and the fire resistance integrity of the external window shall not be less than 1.00h. In terms of the current hardbound house configuration in China, a refuge room will be provided for high-rise buildings above 54 meters. The fire resistance limit of the fire door of the general refuge room is about 1h according to the fire control requirements, so that people can escape into the relatively safe environment of the refuge room in the shortest time after the fire.

In recent years, with the growing development of high-rise buildings, skyscrapers have sprung up, and fire doors in shelters have gradually been recognized. In order to meet the requirements of high-end buildings for the fire door of refuge room and the surrounding decoration style. Fire doors in shelters are also new. Style panels are more diverse. It is no longer as rigid and dull as the old fire door.