The fire door is refers to in a certain period of time to meet the fire stability, integrity and insulation requirements of the door. It is located in the fire partition, vertical shaft, etc. the evacuation stairwell fire partition with a certain fire resistance.
1 Effects
The fire door is refers to in a certain period of time to meet the fire stability, integrity and insulation requirements of the door. It is located in the fire partition, vertical shaft, etc. the evacuation stairwell fire partition with a certain fire resistance.
Fire doors in addition to have a common gate effect, more to stop the fire spread and smoke diffusion effect, can prevent the spread of fire in a certain period of time, to ensure that personnel evacuation.
2 characteristics
The fire door is smooth, beautiful and generous, the features of flexible opening, durable, easy to use, safe and reliable and smooth surface. There are a variety of fire door specifications, in addition to the window and door openings national unified modular system of building under the door opening size (GBJ2 - 73 "unified modular system of building"), can also be based on user requirements and customized.