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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Features of Fire Rated Steel Doors
* 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.

Products Description
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.

| 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 |
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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.

