Exploring the Fire Resistance Performance Spectrum
1. Type-A Fire Door
Fire Resistance Limit: Unyielding for 1.5 hours (ensuring optimal integrity and insulation)
Ideal Application Scenarios: Perfect for firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other high-risk zones where fire threats are significant.
2. Grade B Fireproof Door
Fire Resistance Limit: Withstands fire for ≥ 1 hour
Applicable Scenarios: Tailored for high-risk zones like evacuation stairwells, vestibules, and ordinary equipment rooms.
3. Grade C Fireproof Door
Fire Resistance Limit:Ensures safety for ≥ 0.5 hours
Ideal for: Cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, offering peace of mind in these specific environments.