1 / 5
Fortress Windows
| Still deciding? Get samples of $ ! US$ 0/Set Order Sample |
Premium Steel Construction: Our steel fire doors utilize high-quality cold-rolled thin steel plates for the door frame, skeleton, and panels. The core is filled with non-combustible insulation material to ensure maximum safety and thermal protection.
Fire Performance: These doors are designed to meet strict fire integrity and heat insulation requirements. Available in three classifications:
Technical Specifications: The door frame and plate thickness ranges from 0.8mm to 1.5mm. All screw hole reinforcements feature steel plates no less than 3mm thick. Hardware accessories, including fire hinges, latches, locks, and closers, are strictly refractory grade.