🔥 UL Steel Fire Door Solutions from YK Fire Door Supplier
At YK Fire Door Supplier, we specialize in high-performance UL steel fire doors engineered to meet stringent safety regulations across diverse building types. Our products are tested and certified under globally recognized standards including UL (Underwriters Laboratories) and WHI (Warnock Hersey International).
Fire-rated door assemblies are not universally applicable; instead, their necessity and fire resistance duration depend heavily on the door’s location within the building and the potential fire risk in that area. Compliance with UL classifications ensures that your facility meets the highest levels of fire protection.
💡 Please note: Most exterior openings typically do not require fire-rated doors unless exposed to external fire hazards. For such use, YK also provides robust, non-rated flush metal doors with identical structural integrity.
🔒 Key Requirements for UL Fire Rated Doors
All UL fire rated doors from YK must comply with the following:
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Self-closing mechanism
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Positive-latching system
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Accompanied by UL-certified fire-rated frames and hardware
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Clearly visible UL Marking fire resistance door labels
This holistic approach ensures that each assembly contributes to comprehensive passive fire protection.
📊 YK Fire Door Ratings – Based on UL Classification
We offer a full range of UL listed fire doors, each precisely engineered for its intended environment. Below is a breakdown of fire protection levels and typical applications:
| 🔖 YK Fire Label | ⏱️ Door Rating | 🧱 Wall Rating | 🏢 Application Scenario |
|---|---|---|---|
| YK 180-Minute UL Fire Door | 3 Hours | 4 Hours | Ideal for fire barriers dividing entire buildings or separating fire compartments. |
| YK 90-Minute UL Marking Door | 1.5 Hours | 2 Hours | Used in elevator shafts, stairwells, boiler rooms, or exterior walls exposed to high fire risks. |
| YK 60-Minute UL Fire Door | 1 Hour | 1 Hour | Suitable for compartmentalizing different occupancy areas within commercial buildings. |
| YK 45-Minute UL Rated Door | 45 Minutes | 1 Hour | Effective in corridors, interior partitions, or exterior walls facing moderate fire exposure. |
| YK 20-Minute UL Fireproof Door | 20 Minutes | 1 Hour | Designed for corridors where smoke and draft control is critical. |
🛠️ Why Choose YK’s UL Marking Fire Resistance Doors?
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Manufactured with premium galvanized steel and insulated fire-rated cores
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Compliant with NFPA 80, UL 10C, and international building codes
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Available in single or double-leaf configurations, with or without fire-rated vision panels
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Long-lasting durability, corrosion resistance, and superior thermal insulation
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Optional accessories: fire-rated hardware, closer arms, louvers, and glazing kits
🏆 Your Trusted Partner for Commercial Fire Protection
With over a decade of manufacturing experience, YK Fire Door Supplier stands as a reliable source for UL steel fire doors, customized to meet the safety demands of hospitals, office buildings, industrial facilities, and high-rise structures. Every fire-rated door from YK guarantees code compliance, architectural adaptability, and outstanding value.
📞 Contact us today to get a quote or learn more about our UL-certified fire rated steel doors and other fire protection solutions.
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