A fire door is a door with a certain fire-stopping function. Its fire resistance and heat insulation meet the requirements within a certain period of time. Its main function is to prevent the spread of fire and smoke diffusion within a certain period of time, which can extend the life of personnel. evacuation. Fire doors can be divided into three levels, namely A, B, and C. Let’s learn more about fire doors with the editor.
Class A fire door fire resistance limit
Fire doors can be divided into three grades, which are grades A, B and C. The fire resistance limit of class A fire doors is 1.50~2.00h, and the fire resistance limit of class B fire doors is 0.50~1.50 h. According to the actual situation in our country, the minimum fire resistance limits of fire doors have been stipulated. They are: Class A 1.50h, Class B 1.00h, Class C 0.50h.
At present, fire doors are the most common openable and closable fire separation components in various buildings in China. Fire doors that meet the requirements should have good high temperature resistance, Thermal insulation and smoke penetration capabilities, and the ability to automatically close after people pass through in the event of a fire. Fire doors can be divided into different materials according to different materials: steel fire doors, steel and wooden fire doors, wooden fire doors, and all-glass fire doors. Therefore, you can choose fire doors of different materials according to your actual situation.
How much does a fire door cost per square meter?
The prices of fire doors vary from place to place, and there are also Including transportation, door closers, installation, etc., the price will be somewhat different. Moreover, fire doors are divided into grades A, B, and C. In addition, the price difference is quite large due to the different materials. In general, the price of fire doors of grade A and B is quite different. At 250 to 400 yuan per square meter, grade C is relatively cheaper.
It should be noted that while paying attention to the price of fire doors, we should also pay attention to the material and hardware accessories of fire doors. Not only the material of fire doors must be fireproof, but the hardware must also have fireproof properties. , you need to buy it from a regular merchant, and you need to have it issued by a national testing agency. Qualified inspection report
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