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Fortress Windows
| Steel fire-rated door Technical Data | |
| Certifications | EN/BS/AS/UL10C/NFPA/ASTM |
| Filling Material | Mainly Perlite (350±35kg/m³) |
| Fire rated time | 120 mins |
| Door leaf sheet | 1.0 mm thickness galvanized steel sheet |
| Door frame sheet | 1.5 mm thickness galvanized steel sheet |
| Surface finish | Powder coated or painting as customised |
| Frame depth | 100mm, 120mm |
| Opening direction | Swing Inward / Outward |
| Application | Office, hotel, church, business, home etc. |








