What are the grades of Class A fire doors?
Update:Nov 14,2023
Summary:The common fire doors in general buildings are Class A fire doors. Class A fire doors are divided into Class A, Class B and Class C according to their......
The common fire doors in general buildings are Class A fire doors. Class A fire doors are divided into Class A, Class B and Class C according to their fire resistance and heat insulation performance. 1. Class-A fire door: The fire resistance time is not less than 1.5 hours, which is an important step in social fire prevention. 2. Class B fire door: the fire-resistant time is not less than 1.0 hours, which is a key step in family fire prevention. 3. Class C fire door: the fire resistance time is not less than 0.5 hours, which is a valuable step for evacuation.
English
简体中文
France
España
العربية
