Performance Comparison: Fire Resistance
1. Type-A Fire Door Excellence
Unmatched Fire Resistance Limit: ≥ 1.5 hours, ensuring top-tier integrity and insulation
Ideal Application Scenarios: Perfect for firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other high-risk fire zones.
2. Grade B Fireproof Door
Impressive Fire Resistance Limit: Offers protection for ≥ 1 hour
Best suited for high-risk areas like evacuation stairwells, vestibules, and general equipment rooms.
3. Grade C Fireproof Door
Basic Fire Resistance Limit:≥ 0.5 hours, providing essential protection
Application Scenarios: Ideal for cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts.