Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 Hours (Optimal Integrity and Insulation)
Applicable Scenarios: This high-grade fire door is tailored for the most demanding environments. It is perfect for firewalls, oil storage rooms, power distribution rooms, and cinema auditoriums—locations where high fire risks prevail.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 Hour
Applicable Scenarios: Perfect for high-risk areas like evacuation stairwells, vestibules, and ordinary equipment rooms. This door provides a solid defense to ensure safety in critical areas.
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. Grade C is designed to offer reliable protection in less hazardous environments.