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China Suppliers Factory Steel Glass Fire Rated Door for Safety and Aesthetic Design

The China steel glass fire rated door combines a sturdy steel frame with high-quality fire-rated glass, ensuring both durability and visibility. Manufactured by leading suppliers in the industry, this door complies with stringent fire-resistance standards, effectively containing flames and heat within designated timeframes. The option for clear or frosted fire glass allows for natural light flow and an open atmosphere, making it an ideal choice for commercial showrooms, office buildings, and any setting where safety must harmonize with aesthetic appeal. Trust our factory to deliver a reliable fire rated solution that meets your design and safety requirements

Product Detail

Product Features

Fire Resistance Performance

The core of steel glass fire rated doors relies on fire rated glass, which forms a heat-insulating glaze layer at high temperatures to block flame penetration. The steel frame enhances structural stability, and when combined with fire-resistant sealing strips, the doors achieve a balance between light transmission and fire protection.

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

Both the door frame and door leaf are made of high-quality galvanized steel sheets and fire-resistant glass, featuring excellent corrosion resistance and good light transmission. The door frame is processed through welding forming or an interlocking formed structure, enabling the steel glass fire rated door to withstand daily collisions.

Aesthetic Appearance

It supports electrostatic powder coating (colors can be selected from the RAL color chart) and wood grain heat transfer printing (simulating oak, walnut wood textures, etc.). The surface coating is free of pinholes and bubbles, and the glass has excellent light transmission performance. These features enable our steel glass fire-resistant doors to adapt to diverse styles such as modern and minimalist, integrating both lighting function and design appeal.

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

Fire integrity ≥ 30 minutes, fire insulation ≥ 30 minutes;
Suitable for secondary fire protection areas such as pipe shafts and cable shafts, mainly used to block the spread of small fires.

Grade B

Fire integrity ≥ 60 minutes, fire insulation ≥ 60 minutes;
Suitable for areas with moderate fire protection requirements such as stairwells, antechambers, and evacuation routes.

Grade A

Fire integrity ≥ 90 minutes, fire insulation ≥ 90 minutes;
Suitable for important areas such as fire control rooms, power distribution rooms, rooms with valuable equipment, and fan rooms.

Others

Fire integrity ≥ 120-180 minutes, fire insulation ≥ 120-180 minutes;
Suitable for areas with ultra-Class A fire protection requirements such as chemical workshops, tunnel escape exits, and arms and ammunition depots.

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 main advantages of steel glass fire rated doors?

Steel glass fire rated doors offer high fire resistance, excellent smoke sealing, and superior structural strength due to their galvanized steel frames. Unlike solid metal doors, they feature fire-rated glass that allows natural light transmission while maintaining a clear view for security and evacuation safety.

How does the smoke sealing mechanism function?

The door is designed with a precise gap of 1–3 mm. It utilizes a specialized fire-sealing strip that remains flexible under normal temperatures but expands rapidly when exposed to high heat. This expansion completely seals the gaps around the door frame, preventing toxic smoke and gases from penetrating.

What is the difference between Grade A, Grade B, and Grade C fire ratings?

The grades represent the duration of fire integrity and insulation. Grade C offers fire protection for ≥ 30 minutes, Grade B for ≥ 60 minutes, and Grade A for ≥ 90 minutes. Higher ratings (such as 120-180 minutes) are available for specialized or high-risk industrial and military applications.

Can the appearance of these doors be customized to match building designs?

Yes, our doors support electrostatic powder coating in a wide range of RAL colors and wood grain heat transfer printing (such as oak or walnut textures). This ensures they integrate seamlessly with modern, minimalist, or traditional architectural styles without compromising fire safety.

Where should Grade A fire rated doors be installed?

Grade A doors are designed for critical fire protection zones. They are typically installed in essential service rooms, including fire control centers, electrical power distribution rooms, high-value equipment rooms, and ventilation fan rooms.

What maintenance is required for steel glass fire-rated doors?

Maintenance is simple but essential. You should regularly inspect the hardware (like hinges and door closers) for flexibility, clean the fire-sealing strips to ensure they are free of debris, and replace any damaged components individually to maintain the door's optimal fire protection performance.