Gray UL Listed Insulated Steel Fire Door with 5 mm Glass Ceramic - 45 mm Thickness, 180-Minute Fire Rating
Gray UL Listed insulated steel fire door featuring 5 mm glass ceramic vision panels, designed for superior fire protection with up to 180-minute fire rating. Manufactured with galvanized steel construction and high-density fireproof core materials.
Fire Rating: Up to 180 minutes (UL 10B, UL 10C, NFPA 252, CAN/ULC S104)
Door Thickness: 45 mm
Frame Depth: 115 mm
Steel Sheet Options: 0.8 mm, 1.0 mm, or 1.5 mm thick
Core Materials: MGO board, perlite board, or honeycomb paper
Single Doors: Standard 3'×7', Maximum 4'×8'
Double Doors: Standard 6'×7', Maximum 8'×8'
| Feature | Performance Data |
|---|---|
| Fire Insulation Performance | Average temperature rise: 94.2°C (vs. standard 140°C) Highest single point: 148.6°C (vs. standard 180°C) Door frame temperature: 140.8°C (vs. standard 360°C) |
| Core Material Quality | Density: 472.6 kg/m³ (original), 457.3 kg/m³ (after drying) - exceeds 420 kg/m³ standard |
| Surface Quality | Welding-free technology for smooth appearance |
Glass Ceramic: 5 mm thick, UL listed
Boronized Glass: 6 mm thick, UL listed
Heat Insulated Fireproof Glass: CCC certified, up to 3-hour rating
Maximum Glass Area: 100 sq. inches per door leaf for 2-hour rating
All standard ironmongery (hinges, locks, bolts, closers) are UL listed. Custom reinforcements include:
- Top and bottom: Continuous 16-gauge steel channels
- Hinge reinforcements: 11-gauge steel angle, 12" long
- Lock reinforcements: 16-gauge with 11-gauge thread depth
- Continuous seam welding on door edges for smooth finish
Available in powder coating, wood grain, or PVC coating with RAL color system options.
- PEP paper + foam channel + foam plate + strong carton
- Wooden pallet package
- 24+ years manufacturing experience in fire door industry
- Modern production facilities covering 89,000 m²
- Daily production capacity: 1,000 doors
- Full customization capabilities
- Competitive pricing with premium quality
- Comprehensive pre-sales consultation and after-sales service
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.