1.5 Hour Fire Door Replacement Interior Garage Door Aluminium Steel Type 90 Minute Fireproof Front Door
Fireproof Front Door
Zhongwo insulated steel fire doors are widely used in all kinds of public fireproof areas due to their sturdy construction, simple shapes and beautiful surfaces. The door frame covered with fireproof expansion sealing fittings is made of high quality galvanized steel strip, which is rolled once and formed from a special production line, without impact sound when closed. The beams are welded with 90 ° angled welding combined with the center register, and large door frames can be mounted with bolts. The door leaf adopts the process of high-quality cold-rolled galvanized steel sheet bended precisely by the bending machine, and the interior is filled with green and perlite sheets with fireproof, heat and sound insulation character, and the surface uses spotless welding technology to achieve smooth appearance.
Structures:
Face | 0.8 mm Gal. Steel |
Core | Magnesium Oxide Fireproof Board |
Skeleton | 1.5 mm Gal. Steel, U-Type, Size 38 mm by 30 mm |
Face | 0.8 mm Gal. Steel |
Astragal | 0.8 mm Gal. Steel, Size: Wide 25 mm by Thick 2 mm |
Accessories: