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China Suppliers Factory Stainless Steel Glass Fire Rated Doors - Durable, Transparent, and Fire-Resistant Solutions
Product Features
Fire Resistance Performance
The door leaf is filled with our self-developed fire-resistant core material, while an intumescent fire-sealing strip between the door frame and the leaf expands under high temperatures to block flame penetration. This structure ensures the steel fire-rated door maintains its thermal insulation performance and meets fire resistance requirements across all rating levels.
Smoke Sealing
The door gap is precisely controlled within 1–3 mm and paired with a door closer to ensure the door remains closed. The fire-sealing strip stays flexible at normal temperatures and expands under heat to tightly seal gaps, effectively preventing the spread of toxic smoke.
Durability & Strength
Constructed from high-grade 304 stainless steel, both the frame and door leaf offer superior corrosion and wear resistance, standing up to humidity, heat, and harsh environments. The reinforced door structure provides excellent impact resistance and long-term stability — resisting deformation or cracking without frequent maintenance — ensuring durability and safety over years of use.
Aesthetic Appearance
It retains metallic properties while conveying natural textures, and can even be customized with special tones (such as bronze, black plating) according to requirements, breaking the single tone of traditional stainless steel and creating an echo or contrast with the main color of the space. The glass has excellent light-gathering performance, enabling our stainless steel glass fire-resistant doors to fit diverse styles such as modern and minimalist, and integrate both lighting function and design sense.
Installation & Maintenance
The frame is fixed with expansion bolts, and the gap between the frame and wall is filled with cement mortar for stability. Routine maintenance is simple—regularly check the hardware for flexibility, clean the sealing strips, and replace any damaged components individually—ensuring a longer service life for the steel fire-rated door.
Fire Rating
Grade C
Grade B
Grade A
Others
Application Areas
Industrial Facilities
Public Institutions (Hospitals / Schools)
Commercial Buildings (Offices / Hotels / Residences)
Transportation Hubs (Airports / Rail Stations)
Military and Security Facilities
Frequently Asked Questions
What makes the fire resistance of your doors highly reliable?
Our doors are equipped with a self-developed fire-resistant core material and an intumescent fire-sealing strip. Under high temperatures, this strip expands to block flames and heat, ensuring robust thermal insulation performance across various fire rating standards.
How do these doors prevent toxic smoke leakage?
The door features a precisely controlled gap of 1–3 mm and includes a reliable door closer to ensure it stays shut. The integrated sealing strip remains flexible at normal temperatures but expands under heat to seal all gaps, preventing smoke spread.
What grade of fire rating is recommended for stairwells and evacuation routes?
Grade B fire-rated doors (providing fire integrity and insulation for ≥ 60 minutes) are highly suitable and recommended for areas with moderate fire protection requirements like stairwells, antechambers, and evacuation routes.
Are these fire-rated doors customizable in terms of appearance?
Yes. While retaining their strong metallic properties, they can be customized with special tones like bronze or black plating. Additionally, the integrated glass offers excellent light-gathering performance to fit modern and minimalist styles.
How are the stainless steel glass fire-rated doors installed?
The door frame is securely fixed to the wall using expansion bolts. The remaining gap between the frame and the wall is filled with cement mortar to ensure long-term structural stability and fire integrity.
What routine maintenance is required for these doors?
Maintenance is straightforward: regularly check the hardware for proper flexibility, clean the fire sealing strips, and replace any damaged components individually to extend the door's overall service life.