Steel BS Fire Rated Door 45-72mm Thickness with 180-Minute UL/BS Certification for Public Buildings
Price:
Negotiable
MOQ:
1 set
Delivery Time:
45 Days After Payment Received
Brand:
ZHONGWO
Product Description
Steel BS Fire Rated Door for Public Safety
Self-closing steel fire doors designed for escape passages, evacuation stairwells, and shopping malls to provide critical fire and smoke barriers during emergencies.
Certifications & Standards
All Zhongwo steel fire doors undergo rigorous testing according to American (UL10(b), UL10(c)) and British (BS476:22, EN1634:1) standards. We provide UL/WHI, BS, and EN certificates for various sizes and fire ratings.
Fire Rating Performance
- American Standard: Up to 180 minutes (20/30/60/90/150/180 min ratings)
- British Standard: Up to 120 minutes (30/60/90 min ratings)
Core Materials
- Standard: Fireproof perlite board with varying densities
- Options: Mineral core, honeycomb paper, polyethylene foam
Structural Specifications
- Door thickness: 40-45mm (US standard), 45-72mm (British standard)
- Popular sizes: 6'×7' and 8'×8' for pairs; 3'×7' and 4'×8' for singles
- Continuously seam-welded, ground, and filled edges
- 11-gauge steel angle hinge reinforcements (12" long)
- 16-gauge cylindrical lock reinforcement with 11-gauge thread depth
Product Advantages
| Feature | Performance Details |
|---|---|
| Eco-friendly Infilling | Fireproof perlite board meets GB8624-2006 A1 combustion standard and GB/T20285-2006 ZA2 toxicity standard. Density maintains 457.3kg/m³ after drying. |
| Surface Quality | Welding spot-free technology ensures smooth appearance |
| Fire Insulation | Average temperature rise: 94.2°C; Single point max: 148.6°C (well below 180°C standard) |
| Fire Integrity | Flame on unexposed surface sustains ≤10 seconds at 1.5 hours |
| Operation | Smooth opening/closing without jamming; Opening force ≤66N (below 80N standard) |
| Customization | Nearly all steel fire doors can be customized to specifications |
| Fireproof Glass | Class A composite glass providing fire protection, transparency, scratch resistance, and sound insulation |
Hardware Specifications
- Standard: Galvanized steel hinges, locksets, and high-quality door closers
- Options: Panic push bars, fire bolts, magnetic door stoppers, stainless steel hardware
- Hardware melting temperature: ≥950°C
Glass Installation
- Reinforcement channel provided
- Steel glass frame and glazing bead
- UL listed glazing material
- Maximum glass area: 100 sq. in. per door leaf (2-hour rating)
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Zowor Door Industry Co., Ltd
Location
East of Jinniu Road, South of 310 National Hightway, Shuangta Town, Minquan County, Henan Province, China
Contact Person
lan