Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 Hours (Ensures Optimal Integrity and Insulation)
Applicable Scenarios: Ideal for safeguarding firewalls, oil storage areas, power distribution rooms, cinema auditoriums, and other high-risk environments where fire safety is critical.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 Hour
Applicable Scenarios: Perfect for high-risk zones such as evacuation stairwells, vestibules, and ordinary equipment rooms where enhanced safety is paramount.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 Hours
Applicable Scenarios: Well-suited for cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, providing essential fire protection with confidence.