Comparative Analysis of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: Exceeding 1.5 hours, offering optimal integrity and insulation
Ideal Application Scenarios: Perfect for firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and more. These are areas with elevated fire risks where top-tier protection is crucial.
2. Grade B Fireproof Door
Fire Resistance Limit: Exceeds 1 hour
Applicable Scenarios: Designed for high-risk areas such as evacuation stairwells, vestibules, and regular equipment rooms, providing effective fire safety.
3. Grade C Fireproof Door
Fire Resistance Limit:Exceeds 0.5 hours
Appropriate Scenarios: Cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, ensuring adequate fire protection.