Can Fire-Proof Glass Doors Reach Type-B Fire Door?


Yes. The glass with type-B fire door should be insulated fire-proof glass, and the fire resistance time should be 1.0 hours. The glass size should be within the scope of the inspection report before use. Type-B fire door with glass is generally access door, which is convenient for both parties to observe and set.

Type-B fire door glass door can be used, 1. Fire prevention time is different, Class A 1.5 hours, class B 1.2 hours 2. Installation parts are different, this should refer to the fire protection technical specifications, generally, Class A fire doors are installed on firewalls or entry door of high-rise buildings (meeting certain conditions), and type-B fire door are usually installed on closed staircases and smoke-proof staircases. You can choose Class A or Class B glass fire doors, or steel wooden fireproof door, with glass window on the door leaf.