Fire resistance limit of class B fire door price o

Fire door is a kind of door mainly made of steel, which is generally divided into three grades: A, B and C. The key to their grades is the fire resistance time of the fire door. Class B fire door is one of them. Then, how long is the fire endurance of class B fire door? What is the price of class B fire door? Today, let me introduce to you the fire endurance of class B fire doors and the price of class B fire doors

fire door is a kind of door mainly made of steel, which is generally divided into three grades: A, B and C. The key to their grades is the fire resistance time of the fire door. Class B fire door is one of them. Then, how long is the fire endurance of class B fire door? What is the price of class B fire door? Today, let me introduce to you the fire endurance of class B fire doors and the price of class B fire doors

fire resistance limit of class B fire doors

generally, class B fire doors should be used in smoke proof staircases and doors leading to antechambers, doors of closed staircases in high-rise buildings, and doors of fire elevator antechambers or shared antechambers. Then, how long is the fire resistance limit of class B fire doors? According to the provisions of the national standard gb12955-91, fire doors with a fire resistance limit of not less than 0.9h are called class B fire doors, that is, the fire insulation and fire integrity of class B fire doors shall not be less than 0.9 hours

fire protection requirements for class B fire doors:

1. Close tightly without smoke and fire

2. The wooden fire doors are equipped with air vents

3, good opening and closing performance

4. It should be a swing door

price of grade B fireproof door

Jiahui 100*120 steel grade B fireproof door reference quotation: 300.00 yuan/square meter

Mucheng grade B wooden insulation fireproof door reference quotation: 500.00 yuan/square meter

Kuntai Shenzhen grade B wooden fireproof door reference quotation: 380.00 yuan/square meter

Fuxin fx-10 steel fireproof door reference quotation: 260.00 yuan/square meter

Wujia steel grade B fireproof door reference quotation: 650.00 yuan/square meter

grade B fire door Fire performance is second only to class a fire doors, and there is no difference in price. Therefore, you can choose according to your actual needs when buying. The above fire resistance limit of class B fire doors and the price of class B fire doors are briefly introduced here. I hope it will be helpful to you. Please look forward to more information

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