Fire Resistance Performance Comparison
1. Type-A Fire Door
Fire Resistance Limit: Ensures a minimum of 1.5 hours with optimal integrity and insulation properties.
Ideal Application Scenarios: Perfect for firewalls, oil storage areas, power distribution rooms, and cinema auditoriums—critical zones with elevated fire hazards.
2. Grade B Fireproof Door
Fire Resistance Limit: Guarantees a steadfast ≥ 1 hour of protection.
Ideal for high-risk environments like evacuation stairwells, vestibules, and standard equipment rooms.
3. Grade C Fireproof Door
Fire Resistance Limit:Provides ≥ 0.5 hours of dependable safety.
Designed for scenarios such as cable shafts, pipe shafts, and smoke exhaust ducts—low-risk vertical pipe shafts.
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