Comparative Analysis of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 Hours (Offering unmatched integrity and insulation)
Ideal Application Scenarios: Perfect for firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other high-risk areas where maximum fire protection is essential.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 Hour
Suitable for high-risk zones such as evacuation stairwells, vestibules, and ordinary equipment rooms, where robust fire protection is necessary.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 Hours
Applicable Scenarios: Ideal for cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, providing essential fire safety.