Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: 1.5 hours (Optimal Integrity and Insulation)
Applicable Scenarios: Designed for high-risk areas, Type-A fire doors are perfect for firewalls, oil storage rooms, power distribution rooms, and cinema auditoriums, where maximum fire protection is crucial.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 hour
Applicable Scenarios: Ideal for safeguarding evacuation stairwells, vestibules, and ordinary equipment rooms in medium-risk areas, providing reliable protection and peace of mind.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 hours
Applicable Scenarios: Cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts benefit from the protective capabilities of Grade C fireproof doors, ensuring safety in less critical areas.