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Fortress Windows
| Still deciding? Get samples of $ ! US$ 80/Piece Order Sample |
Steel fire-rated doors (also known as steel fire doors or fire-resistant steel doorsets) are heavy-duty doors primarily constructed from galvanized or hollow metal steel, forming a complete assembly engineered to provide passive fire protection.
Regional Standards:
• US/North America: UL 10C or NFPA 252
• Europe/UK: EN 1634-1
• Australia/New Zealand: AS 1530.4 & AS 1905.1
| Technical Specifications | |
|---|---|
| Certifications | EN/BS/AS/UL |
| Filling Material | Ceramic wool / Rock Wool / Perlite |
| Fire Rated Time | Ranging From 20-180 Minutes |
| Door Leaf Panel | 1.0 mm Thickness Galvanized Steel Sheet |
| Door Frame Panel | 1.5 mm Thickness Galvanized Steel Sheet |
| Door Leaf Thickness | 45mm, 50mm, 70mm |
| Surface Finish | Powder Coated or Painting Customized |
| Opening Direction | Swing Inward / Outward |
| Application | Building Project, Business, Hotel, Church, Office, etc. |
| Hardware | Hinges, Door Closer, Lockset, and Bolt |
Best for completed wall construction. Offers high strength and a clean appearance with lower risk of installation errors.
Assembled on-site. Ideal for ongoing construction, offering higher logistics efficiency and flexible replacement.




