- 23
- Feb
fire rated wooden door,hotel fire rated wood door,fire rated timber door
In the fire code for the design of high-rise civil buildings, the fire door is set as a, B, C 3, and its fire resistance limit is stipulated, class A door is not less than 1.5 hours, class B door shall not be less than 1 hour, class C door shall not be less than 0.5 hours.
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