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China Steel Glass Fire Rated Door - Quality Suppliers & Factory for Safety and Aesthetic Solutions

Introducing our premium Steel Glass Fire Rated Door, expertly crafted by leading manufacturers in China. This door features a sturdy steel frame combined with high-quality fire-rated glass, ensuring maximum durability and exceptional fire resistance. Our product meets rigorous safety standards, effectively containing flames and heat for the designated time period. With options for clear or frosted fire glass, this door not only promotes natural light but also enhances the aesthetic appeal of any space. Ideal for commercial showrooms, office buildings, and various environments where safety meets design, our fire-rated doors are sourced from trusted suppliers and produced in our state-of-the-art factory, making them a smart choice for your safety needs

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 primary benefits of steel glass fire rated doors?

They offer an optimal balance of robust fire resistance and natural light transmission. Utilizing advanced fire-rated glass and durable galvanized steel frames, they prevent flame and smoke spread while maintaining building aesthetics.

How do the different fire rating grades (A, B, and C) differ?

The grades define the door's fire integrity and insulation limits: Grade C provides ≥ 30 minutes, Grade B provides ≥ 60 minutes, and Grade A provides ≥ 90 minutes of protection. Higher grades are used for critical utility rooms, while lower grades are suited for shafts and secondary routes.

Where are Grade A fire rated doors typically required?

Grade A doors are mandatory in high-risk zones and vital utility hubs, including fire control rooms, power distribution centers, fan rooms, and spaces housing valuable electronic or industrial machinery.

How does the smoke sealing mechanism prevent toxic gas spread?

The doors feature tightly engineered gaps (1–3 mm) paired with specialized fire-sealing strips. Under normal conditions, the strips remain flexible, but they expand dramatically under heat to completely block toxic smoke and gases.

Can these fire doors be customized to match interior designs?

Yes, we support extensive customization options, including electrostatic powder coatings in various RAL colors and realistic wood grain heat transfer prints (such as oak and walnut) to suit diverse architectural styles.

What maintenance is required to ensure long-term fire safety?

Regular inspections should be conducted to check hardware functionality, verify the integrity of the fire-sealing strips, ensure the door closer operates smoothly, and replace any damaged components immediately.