Heavy Duty Commercial Steel Fire Rated Door Public Buildings Fire Proof Steel Door
Product Summary
COMMERCIAL FIRE‑RATED STEEL DOOR Commercial Steel Fire‑Rated Door | Fire Safety Door for Public Buildings High‑performance commercial steel fire‑rated door designed for public building fire compartment and emergency evacuation. Multiple fire‑rating grades, RAL powder coating finish, certified fire ...
Product Custom Attributes
Commercial Steel Fire Rated Door
,Public Building Fire Safety Door
,Heavy Duty Steel Fire Rated Door
Product Description
Commercial Steel Fire‑Rated Door | Fire Safety Door for Public Buildings
High‑performance commercial steel fire‑rated door designed for public building fire compartment and emergency evacuation. Multiple fire‑rating grades, RAL powder coating finish, certified fire hardware, optional fire‑proof vision glass. Widely applied for hotel, hospital, office building and shopping mall fire escape passages.
Main Product Variants
Single‑Leaf Commercial Fire Door
Standard single‑leaf for normal pedestrian escape routes.
- Standard dimension 900/1000*2100mm
- In‑swing / out‑swing direction optional
- Stairwell, office corridor, utility room
- RAL custom color powder coating
Double‑Leaf Commercial Fire Door
Double‑leaf for high‑flow public evacuation opening.
- Symmetric or asymmetric leaf design
- For hospital lobby, mall exit, large corridor
- Complete panic bar hardware set
- Custom width for public building code
Fire Door With Observation Vision Panel
Certified fire‑resistant glass for visual observation.
- Compliant fire‑rated glass panel
- Limited glass area follow fire safety standard
- Hospital ward, lab, control room corridor
- Maintain full fire‑stop performance
Fire‑Rated Service Room Door
Compact fire door for electrical & mechanical equipment room.
- Small‑size compact fire‑rated assembly
- For basement, pump room, transformer room
- Simple robust structure, low maintenance
- Full fire‑rating certification
Technical Specification
| Parameter | 30min Commercial Fire Door | 60‑90min Commercial Fire Door | 120min Heavy‑Duty Commercial Fire Door |
|---|---|---|---|
| Door Leaf Material | Galvanized steel shell, mineral wool filling | Thickened galvanized steel, high‑density mineral wool | Heavy‑gauge galvanized steel, enhanced fire‑resistant core |
| Leaf Thickness | 45‑50mm | 50‑55mm | 60‑65mm |
| Surface Treatment | RAL powder coating | RAL powder coating | RAL powder coating |
| Sealing | Perimeter intumescent fire‑smoke seal | Full‑perimeter intumescent seal | Dual‑layer intumescent sealing strip |
| Core Hardware | Fire hinges, door closer, fire lock | Certified fire hinges, closer, optional panic bar | Heavy‑duty fire hardware, panic exit push‑bar |
| Typical Site | Office, general utility room | Hotel, hospital, shopping mall corridor | High‑rise building critical fire compartment |
Core Components & Features
Commercial steel fire‑rated door adopts galvanized steel bending‑welded structure, filled with fire‑resistant mineral wool. Intumescent sealing strip will expand under high temperature to block flame and smoke spreading. All hardware must be fire‑safety certified to satisfy public building fire‑code requirements.
- Intumescent Fire‑Smoke Seal: High‑temperature expansion seals gaps between leaf and frame, prevents smoke leakage.
- Certified Fire Hinges: High‑temperature resistant, quantity matched to door leaf weight to avoid fire‑time deformation.
- Adjustable Fire‑Rated Door Closer: Ensures reliable automatic self‑closing for fire compartment isolation.
- Panic Exit Push‑Bar: Quick inward push opening for mass crowd emergency evacuation.
- RAL Custom Powder Coating: Rich color options to match interior decoration style of commercial buildings.
Manufacturing & Installation Guidance
Production Process
- Confirm fire rating, dimension, swing direction, vision window and RAL color
- Laser cutting, bending and welding for door leaf & frame
- Fill fire‑resistant mineral wool core, fit intumescent seal strip
- Powder coating surface finish, assemble certified fire hardware
- Gap inspection & closing performance test before shipment
On‑Site Installation Points
- Fix door frame firmly to concrete wall, guarantee verticality Control uniform gap between leaf and frame for sealing performance Install full set certified fire hardware strictly per specification Debug door‑closer closing speed and latch function Deliver complete certification documents for building acceptance
Application Scenarios
Commercial Public Buildings
- Hotel guest floor stairwell & corridor
- Hospital ward, treatment area fire partition
- Shopping mall emergency escape exit
- Office building stairwell and equipment room
Building Compliance Requirement
- Fire compartment separation for high‑rise building
- Basement fire escape passage
- Mechanical & electrical equipment room fire isolation
- Public evacuation route safety barrier
Routine Maintenance Checklist
- Check door‑closer to ensure fire door can self‑close and latch completely.
- Inspect intumescent seal strip for damage or missing parts, replace when broken.
- Tighten hinge bolts to prevent door leaf sagging and abnormal gap.
- Forbid fixing fire door in permanent open position against fire safety code.
- Test panic push‑bar function regularly for emergency evacuation readiness.
FAQ
1. Where to use commercial steel fire‑rated door?
Mainly for stairwells, escape routes, corridors, equipment rooms in hotels, hospitals, offices and shopping malls.
2. What standard sizes are available?
Standard 900*2100,1000*2100,1200*2100mm; custom dimensions also supported.
3. Can I choose different surface paint colors?
Yes, powder‑coating RAL color system for matching interior decoration requirement.
4. What hardware comes as standard?
Fire hinges, door closer, fire lock; panic push‑bar for emergency exit outward opening.
5. What documents for building inspection?
Fire test certificate, test report, installation manual, CAD drawings for tender submission.
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