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Steel fire door
Home> Steel fire door

Galvanized Steel Fire Rated Door With Excellent Tight Sealing Performance For Shopping Mall Fire Prevention Escape Passage

Made of metal of high - grade quality, these are extremely durable and can resist heat for 60, 90 and even 180 minutes, in accordance with stringent fire - rating requirements. One of the biggest advantages of these building exit fireproof safety hollow metal doors is that it is waterproof. It protects against water from penetrating the door, keeping the door intact in wet or damp conditions.

  • Overview
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UL Fire Test

Features of Fire Rated Steel Doors


Our fire rated steel doors are engineered to provide superior fire protection for commercial buildings, industrial facilities, and public spaces. As a leading China fire door manufacturer, we design steel fire doors that meet rigorous safety standards while maintaining structural integrity and ease of installation.

* Fire-rated up to 3 hours for maximum safety protection
* 1-3/4" thick construction with perlite fireproof board or rock wool
* Interlocking seam design enhances structural rigidity, durability, and fire containment
* Factory applied rust inhibiting primer ensures long-term corrosion resistance
* Fire-rated glass options available for vision lites to maintain visibility while preserving fire protection

These commercial fire doors are built with heavy-duty 18-gauge galvanized steel that provides exceptional strength and fire resistance. The door core is filled with fireproof cotton or rock wool insulation, which expands under heat exposure to seal gaps and prevent fire and smoke migration. This design makes our steel fire door an ideal choice for building exits, stairwells, corridors, and other critical fire separation areas.
Fire rated steel doors UL fire test certification display

Products Description

Why Choose Our Fire Rated Steel Doors

Fire rated steel doors play a vital role in keeping people safe and minimizing property damage during a fire emergency. Labeled fire doors control the spread of fire and smoke for up to 3 hours, providing critical time for evacuation and emergency response. Metal fire doors are an economical alternative to wood fire doors when more than a 20-minute rating is required. Steel is the sole door material capable of delivering a 3-hour fire-rating, making it the preferred choice for high-risk commercial applications.

As a trusted China fire door manufacturer, we specialize in producing commercial fire doors that combine safety, durability, and cost-effectiveness. Our steel fire door products are designed to withstand extreme temperatures while maintaining their structural integrity. The doors are tested to ensure they meet or exceed fire safety regulations, providing peace of mind for building owners, facility managers, and safety inspectors.

* 20, 45, 60, 90 Minute or 3 Hour fire rating labels available
* Heavy-duty 18-gauge steel construction for maximum strength
* Rigid honeycomb or polystyrene core with fireproof cotton or rock wool infilling
* Waterproof and heat insulation properties for enhanced building protection
* Suitable for exit doors, emergency stairwells, and fire separation walls

Our fire rated steel doors are ideal for a wide range of applications including hospitals, schools, hotels, shopping malls, warehouses, manufacturing plants, and office buildings. The doors can be customized in size, color, and configuration to meet specific project requirements. Surface treatments include heat transfer printing or powder coating in colors such as white, red, blue, or custom options to match your architectural design.

Steel fire door structure diagram showing fireproof core components
Door Material Galvanized Steel
Feature Fire prevention
Application Commercial Building
Design Style Modern
Place of Origin Shandong, China
Material Galvanized Steel
After-sale Service Online technical support
Project Solution Capability Total solution for projects
Brand Name Changyi
Model Number SD-1
Warranty 3 years
Surface Finishing Powder coating, color custom
Size 914*2134mm/1828*2134mm/Customized
Main Material Galvanized Steel
Door leaf thickness 45mm
Infilling Perlite Fireproof Board/Rock Wool
Advantage Fireproof/Security door/Heat Insulation/Waterproof
Surface treatment Powder Coating/Wood Grain Transfer
Color White/Red/Blue/Customized Color
Selling Units Single item
Single package size 205X95X13 cm
Single gross weight 68.000 kg

Details Images

Steel fire door close up hardware and locking mechanism
Fire rated steel doors installation frame and threshold detail
Commercial fire doors edge seal and interlocking seam construction
Steel fire door surface finish and color options display
Fire rated steel doors accessories and optional components diagram

Style selection

Steel fire door design styles and panel configurations selection

Product production

72d67389-f4aa-45a3-aec0-b74ebdc09051.jpg
占位图.jpg
Fire rated steel doors surface powder coating production line
Commercial fire doors quality inspection and testing procedure
Fire rated steel doors packaging and shipment preparation area

Company Profile

China fire door manufacturer factory building and facilities overview
Steel fire door manufacturer certifications and quality awards display
Commercial fire doors production capacity and equipment showcase
China fire door manufacturer global export and shipping capabilities

Certificate

UL符合性证书R41938-20251222-CertificateofCompliance_01.jpg 测试报告SDReport_Listing_83704_01.jpg

FAQ

Q: What fire resistance ratings are available for your steel fire doors?

A: We offer 30-180 minute fire-rated steel doors, tested to EN 1634-1, UL 10C or GB 12955 depending on your market.

Q: Can you produce steel fire doors in custom sizes and colors?

A: Yes. Custom dimensions, RAL colors, glazed options and hardware configurations are available. Please provide your opening sizes for a precise quote.

Q: Do you support OEM/ODM orders?

A: Yes, we support OEM branding, custom packaging and documentation.

Q: What is the delivery time?

A: Standard lead time is 15-30 after deposit and drawing confirmation. Urgent orders can be arranged on request.

Q: Do you provide installation instructions and technical support?

A: Yes, each order includes installation manuals and drawings. Remote video guidance is available, and on-site installation supervision can be arranged for large projects.

Q: Can I get samples before placing a bulk order?

A: Samples are available. Sample cost will be refunded or deducted from the bulk order value once the order is confirmed.

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