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Technical Specification of Fire Rated Door

Our Fire Rated Door meets rigorous technical specifications for optimal safety and protection.


Fire & Multipurpose door sizesShaft door sizes
1000 X 2100750 X 1500
1200 X 2100900 X 1500
1000 X 2400750 X 1800
1200 X 2400 900 X 1800

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Technical Specification of Fire Rated Door

Fire rated doors play a critical role in ensuring the safety and protection of occupants in buildings during a fire emergency. These doors are specially designed and constructed to withstand fire for a specified period, allowing occupants to evacuate safely and preventing the spread of fire and smoke to other areas. In this blog post, we’ll delve into the technical specifications of fire rated doors, outlining their key components and performance criteria.

1. Material Composition:

Fire rated doors are typically constructed using materials that offer high fire resistance. Common materials include:

  • Steel: Provides strength and durability, often used for the door frame and core.
  • Gypsum: Offers fire resistance and insulation properties, commonly used as a core material.
  • Glass: Fire-rated glass may be incorporated into the door for visibility and aesthetics, with special coatings to enhance fire resistance.

2. Fire Rating:

Fire rated doors are classified based on their ability to withstand fire for a specified duration, typically expressed in minutes (e.g., 30 minutes, 60 minutes, 90 minutes). The fire rating indicates the door’s ability to resist fire and prevent its spread to adjacent areas.

3. Intumescent Seals:

Intumescent seals are crucial components of fire rated doors. These seals expand when exposed to heat, forming a protective barrier that prevents the passage of fire and smoke around the door edges. Intumescent seals are typically installed around the perimeter of the door frame and may also be integrated into the door edges.

4. Hardware:

Fire rated doors require specific hardware that meets fire safety standards. This includes:

  • Fire-rated hinges: Designed to withstand high temperatures and prevent the door from sagging or warping during a fire.
  • Fire-rated locks and latches: Ensure the door remains securely closed during a fire emergency, preventing the spread of fire and smoke.
  • Door closers: Automatically close the door after it has been opened, helping to maintain compartmentalization and prevent fire spread.

5. Testing and Certification:

Fire rated doors undergo rigorous testing to ensure they meet regulatory standards and performance criteria. Testing involves subjecting the door assembly to simulated fire conditions to evaluate its fire resistance, integrity, and insulation properties. Certification by accredited testing laboratories verifies compliance with applicable building codes and standards.


Fire rated doors are essential components of fire protection systems in buildings, providing vital means of egress and compartmentalization during fire emergencies. Understanding the technical specifications of fire rated doors is crucial for ensuring their proper selection, installation, and maintenance to enhance overall fire safety within a building.

By adhering to stringent technical specifications and regulatory requirements, fire rated doors contribute significantly to the overall fire safety strategy, helping to safeguard lives and property in the event of a fire.

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