Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 Hours (Optimal Integrity and Insulation)
Applicable Scenarios: Perfect for firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other high-risk areas where maximum protection is paramount.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 Hour
Applicable Scenarios: Ideal for high-risk areas like evacuation stairwells, vestibules, and standard equipment rooms, providing reliable safety.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 Hours
Applicable Scenarios: Perfect for cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, offering essential protection.