Fire Resistance Performance Comparison
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 Hours (Ensures peak integrity and insulation)
Ideal Applications: Perfect for safeguarding firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other high-risk areas.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 Hour
Ideal for high-risk environments such as evacuation stairwells, vestibules, and standard equipment rooms.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 Hours
Ideal Applications: Optimized for cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe systems.
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