Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 Hours (Optimal Integrity and Insulation)
Applicable Scenarios: Designed for maximum protection in firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other areas with elevated fire hazards.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 Hour
Applicable Scenarios: Perfect for safeguarding high-risk areas such as evacuation stairwells, vestibules, and standard equipment rooms.
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, ensuring effective fire safety in less hazardous areas.