UL Steel Fire Door
UL Steel Fire Door is widely applied across commercial and industrial projects where fire safety cannot be compromised. Designed with a robust steel structure, this fire rated door has been fully tested and approved as a UL listed steel fire door, meeting the requirements of recognized international fire protection standards.
As a UL Steel Fire Door, it delivers not only reliable fire resistance but also long-term durability in daily use. From hotels and apartment buildings to schools and hospitals with strict safety codes, this steel fire proof door provides consistent performance, dependable protection, and peace of mind for demanding environments.

| UL Steel Fire Door | |
|
Brand |
XZIC |
|
Certifications |
UL Number (R39532/R39533) |
|
Filling Material |
Fire Resistant Honey Core/Perlite |
|
Fire rated time |
1 hour up to 3 hours. |
|
Size |
Double door leaf Width 2888x Height 3104mm; Single door leaf Width 1440x Height 3104mm; Min. Door leaf Thickness 44mm |
|
Model |
XZ-SSF-3.0/UL-L, XZ-DSF-3.0/UL-L, XZ-SSF-3.0/UL, XZ-DSF-3.0/UL |
|
Door leaf sheet |
20 Ga. - 18 Ga. (/1.0/1.2 mm) galvanized steel sheet within 1 hour to 2 hours -1.0mm thickness within 3 three hours -1.2mm thickness Or customized |
|
Door frame sheet |
16 Ga. (1.5mm).galvanized steel sheet Or customized |
|
Surface finish |
Door leaf and frame powder coated finish. |
|
Frame depth |
130mm*40mm*57mm |
|
Opening direction |
Swing Inward / Outward |
|
Color |
RAL color system, could be customized as well. |
|
Accessories |
Lock, handle, hinges, door closer, panic bar and other as requested. |
|
Vision Panel |
With or without as requested. Visible size W150*H400mm(TOTAL SQM not large than 0.06㎡ or 100SQ.in) |
|
Lite Frame |
UL listed lite frame. (UL Number: 39534) |
|
Louver |
With or without as requested. |
|
Application |
Building project, business, home decoration(Office, hotel, church, home etc.) |
|
Package |
Inside: PE paper, Outside: carton box and wooden pallets. |
|
MOQ |
1 Set |
UL Steel Fire Door Certificate


Application Scenarios
UL Steel Fire Door is widely used in commercial and industrial environments where UL certified fire door is required. As a UL certified fire door, it is suitable for office buildings, hotels, hospitals, shopping centers, warehouses, and factories. This commercial steel fire door is usually installed in fire-rated corridors, stairwells, mechanical rooms, and emergency exits. Steel fire rated door and frame both have UL label to make sure pass fire department inspection.

Company Introduce

With many years of experience in fire-rated door manufacturing, we specialize in UL-certified fire rated steel doors for global markets. Our factory follows strict quality control from raw material sourcing to final inspection, ensuring stable performance and full compliance with UL fire door standards.
Our main products include UL and CE fire rated doors and windows, explosion-proof doors, soundproof doors, hospital doors, and clean room doors. XZIC supplies certified commercial door solutions to customers in over 50 countries, providing reliable quality and competitive pricing.
Project Case
Our UL Steel Fire Door have been supplied to commercial projects including hotels, apartment complexes, schools, and healthcare facilities across multiple regions.

FAQ
Q1: What fire ratings are available for UL steel fire doors?
A1: Fire ratings typically range from 20 minutes up to 180 minutes, depending on door construction and application.
Q2: Can the UL steel fire door be used with different frames?
A2: Yes, it is compatible with steel frames and approved wall assemblies as required by UL listings.
Q3: Is the UL label permanently attached?
A3: Yes, each door is factory-labeled with a permanent UL fire rating label.
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