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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.
30‑120min Fire Resistance Single & Double Leaf RAL Powder Coating Intumescent Smoke Seal Panic Exit Bar Fire Vision Window
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
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.
Company Introduction
Hunan Lianxin Chitai Intelligent Doors & Windows Co., Ltd. is a manufacturer specializing in the research, development, production, sales, and service of intelligent doors and windows. Established in 2010, the company evolved from Changsha Lianxin Door Industry Processing...
Company Introduction
Hunan Lianxin Chitai Intelligent Doors & Windows Co., Ltd. is a manufacturer specializing in the research, development, production, sales, and service of intelligent doors and windows. Established in 2010, the company evolved from Changsha Lianxin Door Industry Processing...
