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China Suppliers Factory Stainless Steel Glass Fire Rated Door – Durable & Aesthetically Pleasing Fire Protection 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 are the primary fire resistance capabilities of these doors?
Our doors are equipped with a self-developed fire-resistant core material and intumescent fire-sealing strips. Under high temperatures, the sealing strips expand to block flame penetration, ensuring the door maintains thermal insulation and meets ratings from Grade C (30 mins) up to Grade A (90 mins) and beyond.
How does the smoke sealing system function?
The door gap is precisely engineered between 1–3 mm and works in conjunction with a door closer. The fire-sealing strip remains flexible at ambient temperatures and expands under heat to seal all gaps, preventing toxic smoke from spreading.
What materials are used to ensure the door's durability?
Both the frame and door leaf are constructed using high-grade 304 stainless steel. This provides exceptional resistance to corrosion, wear, humidity, and impact, ensuring the door remains stable without cracking or deforming over time.
Can the appearance of the stainless steel fire-rated doors be customized?
Yes. Beyond standard metallic finishes, they can be customized with special tones such as bronze or black plating. The integrated glass elements also offer excellent light transmission to blend with modern architectural designs.
What are the typical installation and maintenance requirements?
The frame is secured using expansion bolts, and the gap between the wall and frame is filled with cement mortar for structural stability. Maintenance involves regular inspections of the hardware's flexibility, cleaning the sealing strips, and replacing individual components if damaged.
Which fire rating grade is suitable for my facility?
Grade C (30 mins) is ideal for pipe/cable shafts. Grade B (60 mins) is standard for stairwells and evacuation routes. Grade A (90 mins) is designated for critical areas like fire control and power distribution rooms. Special ratings (120-180 mins) are available for high-risk zones like chemical workshops.