Tag Archives: UL Fire Rated Doors Manufacturers

Top UL Fire-Rated Door Manufacturers (2024 Industry Guide)

As a leading UL-certified fire door manufacturer in China, YK Commercial Door Company ranks among the global elite in producing UL 10C and UL 10B compliant doors for the North American market. Below is a curated list of top manufacturers meeting stringent UL standards.

1. Global Leaders in UL Fire Doors

A. Major US Manufacturers

Company Headquarters Key Products UL Listings
ASSA ABLOY Connecticut Steel fire doors UL 10C, UL 10B
VT Industries Iowa Wood fire doors UL 10C (FD30-FD90)
Overly Door Pennsylvania Blast/fire combos UL 10C + UL 752

B. Top International Suppliers

Company Country Advantage UL Certification
YK Commercial Door China Cost + speed leader UL 10C (20-180 min)
Sanwa Holdings Japan High-end timber doors UL 10B/10C
Chinsun China Mass production UL 10C (OEM)

2. UL Certification Process Breakdown

A. Testing Requirements

✔ UL 10C Positive Pressure Test

  • 3-hour furnace exposure (up to 1925°F)

  • Immediate hose stream impact (30 psi)

  • Load-bearing evaluation

✔ UL 10B Negative Pressure Test (Legacy)

  • Different furnace methodology

  • Still accepted in some jurisdictions

B. Compliance Documentation

  • UL Classification Report (Specific to each assembly)

  • Follow-up Service Program (Quarterly factory audits)

  • Labeling Requirements (Permanent metal UL mark)

3. YK’s UL Fire Door Solutions

Product Range:

  • Steel Fire Doors (18ga steel, mineral core)

  • Wooden Fire Doors (FD30-FD90 ratings)

  • Glass Fire Doors (45/60-min ceramic glazing)

Competitive Advantages:
✅ 30% cost savings vs US manufacturers
✅ 6-week lead time for standard UL 10C doors
✅ Complete certification packages (UL files + installation manuals)

Recent US Project:

  • Miami High-Rise – 1,200+ UL 10C doors delivered in 8 weeks

4. UL vs Other Certifications

Standard Region Key Difference YK’s Compliance
UL 10C North America Hose stream test Full certification
EN 1634 Europe No hose stream Dual-certified options
GB 12955 China Seismic testing Triple-certified

5. How to Verify UL Certification

  1. Check UL Online Cert Directory (Enter YK’s UL file #MHXXXXX)

  2. Request Classification Report

  3. Inspect Door Label for:

    • UL mark

    • Fire rating

    • Manufacturer ID

6. Emerging UL Door Technologies

✔ IoT-Enabled UL Doors – Real-time integrity monitoring
✔ Hybrid Materials – Wood veneer over steel cores
✔ Sustainable Options – FSC-certified timber doors

YK’s R&D Focus:

  • Developing UL-approved nano-coatings for enhanced fire resistance

Partner with a UL-Certified Leader

YK Commercial Door Company offers:

  • Direct factory pricing (no middlemen)

  • BIM/Revit support for architects

  • Duty-optimized shipping to US

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UL Fire Rated Doors Manufacturers Top 6

Posted on by Zhang Yulin

Discover Trusted Fire Door Suppliers for Reliable Fire Safety Solutions When it comes to safeguarding lives and property in commercial, industrial, and residential buildings, fire-rated doors are indispensable. These doors are not merely entryways; they are engineered barriers designed to contain flames, smoke, and heat, providing critical time for safe evacuation and minimizing structural damage—-UL […]

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