Tag Archives: applications of different fire door ratings

Understanding Fire Door Ratings: Applications by Resistance Level

As a leading fire door manufacturer in China, YK Commercial Door Company produces certified fire-rated doors for diverse industries. Below is a breakdown of fire door ratings and their critical applications, ensuring compliance with global safety standards (UL, EN, GB, IMO).

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1. 20-Minute Fire-Rated Doors

Applications:
✔ Residential Closets & Storage Rooms – Low-risk areas requiring basic fire separation
✔ Office Partitions – Non-load-bearing interior dividers
✔ Small Retail Spaces – Limited fire hazard zones

YK’s Solutions:

• Lightweight steel or solid-core wood doors

• Cost-effective for low-risk fire door garage installations

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2. 30-Minute Fire-Rated Doors

Applications:
✔ Apartment Unit Entrances – Separating individual living spaces in multi-family buildings
✔ Hotel Guest Rooms – Protecting corridors from room fires
✔ Small Offices & Classrooms – Areas with moderate fire risk

YK’s Offerings:

• Fire-rated timber doors with intumescent seals

• Hollow metal doors for budget-conscious projects

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3. 60-Minute Fire-Rated Doors (1-Hour)

Applications:
✔ Commercial Corridors & Stairwells – Protecting escape routes in offices, hospitals, and schools
✔ Mid-Rise Residential Buildings – Fire separation between floors
✔ Server Rooms & Electrical Closets – Critical infrastructure protection

YK’s Specialized Models:

• Steel fire doors with reinforced frames (16-gauge steel)

• Glazed fire doors (60-min rated + wired glass for visibility)

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4. 90-Minute Fire-Rated Doors (1.5-Hour)

Applications:
✔ High-Rise Buildings – Elevator lobbies & mechanical shafts
✔ Healthcare Facilities – ICU, operating rooms, and fire barriers
✔ Industrial Plants – Chemical storage and high-risk zones

YK’s High-Performance Solutions:

• Mineral-core fire doors (non-combustible insulation)

• Blast-resistant variants for oil & gas facilities

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5. 120-Minute Fire-Rated Doors (2-Hour)

Applications:
✔ Firewalls in Warehouses & Factories – Extreme hazard containment
✔ Tunnels & Underground Transit – Subway and train station safety
✔ Data Centers – Protecting critical servers from fire spread

YK’s Heavy-Duty Options:

• Double-leaf fire doors with overlapping seals

• 3D-printed intumescent gaskets for superior sealing

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6. 180-Minute Fire-Rated Doors (3-Hour)

Applications:
✔ Nuclear Facilities & Power Plants – Maximum fire containment
✔ Military & Government Bunkers – Blast + fire resistance
✔ Aviation Hangars – Protecting aircraft storage zones

YK’s Ultra-Protected Models:

• Multi-layered steel-composite doors

• EMI-shielded versions for secure facilities

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Choosing the Right Fire Door Rating

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Why YK Fire Doors?

✔ Global Certifications – UL (USA), CE (EU), GB (China), IMO (Maritime)
✔ Custom Engineering – Non-standard sizes, specialized hardware
✔ Fast Lead Times – 30-45 days for bulk orders