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Fire rated steel doorsets are an essential component of fire safety in buildings, offering protection in the event of a fire. But what exactly are fire rated steel door sets, and how are they classified for different levels of fire resistance?

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In this article, we will explore the components of fire rated steel door sets, their advantages, applications, and the standards and regulations that govern their use. We will delve into how fire rated steel door sets are tested and certified to ensure their effectiveness in protecting lives and property.

What Are Fire Rated Steel Doorsets?

Fire Rated Steel Doorsets are specialised doors designed to provide high fire resistance, ensuring safety and security in various settings such as commercial buildings and industrial facilities.

These doorsets are engineered to withstand intense heat and flames, effectively compartmentalising fire outbreaks and preventing its spread to other areas. Their robust construction and materials make them highly durable, offering long-term protection for lives and property.

In commercial buildings, Fire Rated Steel Doorsets and fire rated shutters play a critical role in safeguarding occupants and assets, allowing for safe evacuation routes during emergencies. Similarly, in industrial facilities where hazardous materials are present, these doorsets serve as vital barriers to mitigate the risks of fire incidents, ensuring workplace safety and regulatory compliance.

How Are Fire Rated Steel Doorsets Classified?

Fire Rated Steel Doorsets are classified based on their fire rating, technical specifications, construction methods, and adherence to stringent testing standards.

The fire rating of a steel doorset is crucial in determining its classification, with different ratings indicating the duration of time the door can withstand fire exposure. Technical specifications such as material thickness, core composition, and hardware play a significant role in achieving specific fire ratings. Construction details such as frame design, seals, and insulation also impact the doorset’s classification.

Adherence to testing standards like UL 10C, NFPA 252, and BS 476 further solidifies the classification of fire rated steel doorsets. Examples of classifications include FD30, FD60, and FD90, each representing the door’s ability to resist fire for 30, 60, or 90 minutes respectively.

What Are The Different Fire Resistance Ratings?

Fire Rated Steel Doorsets are rated based on their fire resistance capabilities, encompassing different levels of fire ratings to ensure optimal performance and compliance with safety standards.

These ratings typically range from 30 minutes to 240 minutes, indicating the duration for which the door can withstand exposure to fire under specified conditions. Doors with a 30-minute fire rating are commonly used in residential settings, providing sufficient time for safe evacuation.

On the other hand, doorsets with a 120-minute or higher fire rating are crucial for high-risk areas such as industrial facilities or crowded public buildings. Meeting these specific fire resistance levels requires rigorous testing and certification to ensure they meet set industry benchmarks.

What Are The Components Of Fire Rated Steel Doorsets?

Fire Rated Steel Doorsets consist of several key components such as the door leaf, frame, hardware, glazing, and intumescent seals, each contributing to their overall fire resistance and security.

The door leaf is typically made of heavy gauge steel, providing strength and integrity in case of a fire. The frame, constructed from robust materials like steel or aluminium, supports the door and ensures a secure fit. Quality hardware, including hinges, locks, and handles, not only enhances security but also ensures smooth operation.

Glazing, if included, allows visibility while maintaining fire protection. Intumescent seals play a vital role in expanding under heat exposure to seal gaps, preventing smoke and fire from spreading. Together, these components create fire-rated doorsets that offer unparalleled safety and protection.

Door Leaf

The door leaf of Fire Rated Steel Doorsets is a crucial element, typically made of fire-resistant materials with specific thickness and weight to meet safety standards and performance requirements.

These door leaves are often constructed using materials such as galvanised steel, gypsum, or mineral cores, all of which possess excellent fire resistance properties. The thickness of the door leaf is carefully determined based on factors like fire rating and expected usage frequency. The weight of the door leaf is crucial to ensure proper functioning and durability.

During the manufacturing process, these materials are carefully assembled and treated to enhance their fire-resistant capabilities, making them integral components of fire-rated steel doorsets.


The frame of Fire Rated Steel Doorsets plays a critical role in ensuring proper installation, structural strength, and long-term durability, enhancing overall fire resistance and security.

It is vital to recognise that the door frame not only supports the door but also serves as a crucial component in maintaining the integrity of the entire system. A well-designed and correctly installed frame ensures a tight seal between the door and the frame, effectively inhibiting the spread of smoke and flames during a fire emergency.

Regular maintenance of the frame, including checking for any signs of wear or damage, is essential to guarantee its continued effectiveness in providing fire resistance and security measures.


The hardware components of Fire Rated Steel Doorsets, including hinges, locks, and access control systems, are crucial for ensuring proper functionality, security, and controlled access in emergency situations.

High-quality hinges play a vital role in supporting the weight and smooth operation of the door, especially in high-traffic areas.

Secure locks are essential for preventing unauthorised entry and improving overall safety.

Efficient access control mechanisms help regulate and monitor who enters and exits, providing an added layer of security.

Regular maintenance of these hardware elements is necessary to ensure they are functioning optimally and to prolong the life of the doorsets. This maintenance includes lubricating hinges, testing locks, and inspecting access control systems for any vulnerabilities or malfunctions.


The glazing in Fire Rated Steel Doorsets provides insulation, weatherproofing, and aesthetic enhancements whilst maintaining fire resistance and security standards.

It plays a crucial role in regulating the temperature inside a building by preventing heat loss and reducing energy consumption. In addition to enhancing the overall look of the doorset, the type and design of glazing used can also impact the natural light penetration and visual appeal of the space.

Glazing allows for greater design flexibility, enabling architects and designers to create more visually appealing and functional spaces. By choosing the right type of glazing, building owners can significantly improve energy efficiency and create a more comfortable environment whilst meeting safety regulations.

Intumescent Seals

Intumescent seals in Fire Rated Steel Doorsets play a critical role in sealing gaps and preventing the spread of fire, enhancing overall fire safety measures within a building.

These seals are designed to expand rapidly when exposed to high temperatures, creating a barrier that restricts the passage of flames, smoke, and hot gases. It is essential to regularly inspect and maintain these seals to ensure they are in good condition and fully functional.

Proper maintenance not only prolongs the lifespan of the seals but also guarantees that they will perform as intended during a fire emergency. Neglecting maintenance can compromise the efficacy of the seals, potentially putting lives and property at risk.

What Are The Advantages Of Fire Rated Steel Doorsets?

Fire Rated Steel Doorsets offer numerous advantages, including high fire resistance, exceptional durability, enhanced security features, and appealing aesthetics.

These doorsets are highly sought after in commercial buildings, industrial facilities, and residential properties, where safety and protection are paramount. With their ability to withstand intense heat and flames, they provide valuable time for occupants to evacuate during a fire emergency.

The long-lasting durability of fire-rated steel doorsets ensures reliable performance over time, requiring minimal maintenance and reducing replacement costs. The advanced security attributes offer peace of mind, making them an ideal choice for high-security installations.

The customisable aesthetic options allow for seamless integration with various architectural designs, enhancing the overall look of any space.

Our team offer sliding fire rated doors and more. Contact us for details on the doors we offer.

High Fire Resistance

The high fire resistance of Fire Rated Steel Doorsets ensures robust fire protection, safeguarding lives and property by containing and preventing the spread of fire within a building.

In the event of a fire, these specially designed doorsets play a crucial role in creating compartments within a building, limiting the fire’s escalation to other areas. By impeding the fire’s progress, they buy valuable time for safe evacuation and allow firefighters to focus on containing the fire efficiently.

Fire Rated Steel Doorsets are an integral part of a comprehensive fire protection strategy, complementing other measures such as fire alarms, sprinkler systems, fire extinguishers, and regular safety drills that are essential for the safety of occupants.


The durability of Fire Rated Steel Doorsets is a key feature, ensuring structural strength, impact resistance, and long-term performance in various environments.

These doorsets are built to withstand the rigours of high-traffic areas, making them ideal for commercial settings such as hospitals, schools, and office buildings. Their robust construction and specially engineered materials provide exceptional strength, ensuring that they can endure frequent use without compromising on safety.

In addition to withstanding impact, Fire Rated Steel Doorsets are also designed to resist fire and other challenging conditions, offering peace of mind and security in critical situations. This level of durability not only ensures the safety of occupants but also minimises maintenance requirements, making them a cost-effective choice for busy spaces.


Fire Rated Steel Doorsets provide enhanced security features, including reliable access control mechanisms and designated emergency exit options for improved safety and security in buildings.

These security enhancements are crucial for ensuring that only authorised individuals can gain access to sensitive areas within a building, reducing the risk of unauthorised entry and potential security breaches.

In emergency situations, such as fires or other disasters, these doorsets play a vital role in facilitating safe evacuation by offering clearly marked emergency exits and panic hardware for quick and easy egress.

By integrating advanced security measures into the design of Fire Rated Steel Doorsets, building occupants can feel more secure and protected in case of emergencies.


Fire Rated Steel Doorsets not only provide safety and security but also offer design flexibility with a range of finish options to enhance the aesthetic appeal of a building’s entrances.

These doorsets are designed to seamlessly blend with various architectural styles, making them versatile choices for both modern and traditional building settings. The customisation options available allow for unique designs that can complement the overall aesthetic of any space. From sleek and minimalistic finishes to more intricate detailing, Fire Rated Steel Doorsets offer a wide array of choices to suit different preferences. Whether it’s a sleek office building, a charming residential property, or a robust industrial facility, these doorsets can elevate the visual appeal while ensuring safety and compliance with fire regulations.

What Are The Applications Of Fire Rated Steel Doorsets?

Fire Rated Steel Doorsets find applications in a wide range of settings, including commercial buildings, industrial facilities, and residential structures, where safety and security are paramount.

In commercial environments, these doorsets are frequently utilised in office complexes, shopping centres, and healthcare facilities to compartmentalise spaces and limit the spread of fire.

In industrial settings, they are crucial in warehouses, manufacturing plants, and storage facilities to protect valuable equipment and materials.

Likewise, in residential areas, Fire Rated Steel Doorsets are commonly installed in apartment buildings, condominiums, and single-family homes to provide residents with a secure and fire-resistant means of egress.

Such installations exemplify the versatility and significance of these doorsets in safeguarding lives and property in various scenarios.

If you require fire rated steel doors for your aluminium shop fronts, please make sure to speak to our experts today.

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Commercial Buildings

In commercial buildings, Fire Rated Steel Doorsets play a crucial role in ensuring property protection, complying with building codes, and integrating seamlessly with architectural design elements.

These specialised doorsets are specifically engineered to withstand specific fire-rated requirements, thereby safeguarding occupants and assets in the event of a fire emergency. Property managers rely on Fire Rated Steel Doorsets to compartmentalise areas, preventing the spread of flames and smoke and allowing for safe evacuation routes.

These doorsets contribute to the overall aesthetic appeal of commercial spaces by offering customisable designs that can enhance the architectural vision of the building while ensuring compliance with stringent safety regulations.

Industrial Facilities

Fire Rated Steel Doorsets are essential in industrial facilities, providing safety in high-traffic areas, ensuring proper ventilation, and enhancing fire protection measures.

These specialised doorsets play a crucial role in safeguarding industrial operations by containing fire outbreaks, limiting their spread, and allowing for safe evacuation in the event of an emergency. The use of Fire Rated Steel Doorsets also helps in maintaining the integrity of fire compartments within the facility, preventing the rapid spread of flames and smoke. These doorsets are designed to withstand high-traffic conditions, ensuring durability and reliability in industrial settings where continuous movement and access are vital for daily operations.

Residential Buildings

Fire Rated Steel Doorsets offer enhanced safety and security in residential buildings and private facilities, providing sound insulation and protection in emergency situations.

These doorsets serve as a critical component in safeguarding your home, ensuring privacy and peace of mind for your family. The robust construction of fire-rated steel doorsets not only offers resistance to fire and smoke but also acts as a deterrent to potential intruders, bolstering the overall security of your living space.

The sound insulation properties of these doorsets create a tranquil environment within your home, shielding you from external noises and disturbances. With their ability to withstand high temperatures and prevent fire spread, fire-rated steel doorsets are indispensable for emergency preparedness in residential settings.

What Are The Standards And Regulations For Fire Rated Steel Doorsets?

Fire Rated Steel Doorsets are subject to rigorous standards and regulations, including British, European and International standards, as well as specific building regulations governing their design and installation.

Compliance with these standards is crucial in ensuring the safety and effectiveness of Fire Rated Steel Doorsets in case of a fire emergency. British regulations, such as BS 476 and EN standards, specify requirements related to fire resistance, durability and performance testing.

These standards not only protect occupants and property but also provide a benchmark for manufacturers and suppliers to adhere to. By meeting these strict guidelines, Fire Rated Steel Doorsets can effectively contain fires, prevent smoke spread and maintain structural integrity during critical situations.

British Standards

British Standards play a vital role in certifying Fire Rated Steel Doorsets for quality, safety, and proper installation, ensuring compliance with industry benchmarks.

These standards establish rigorous criteria that manufacturers and suppliers must meet to achieve certification. The certification process involves thorough testing of the doorsets’ fire resistance, durability, and functionality.

Installation guidelines outlined in British Standards ensure that the doorsets are installed correctly to maintain their fire rating integrity. Adherence to these standards is crucial for door manufacturers and suppliers to guarantee the safety and reliability of Fire Rated Steel Doorsets, offering peace of mind to consumers and building occupants.

European Standards

European Standards establish testing protocols and quality requirements for Fire Rated Steel Doorsets, focusing on fire door components, performance ratings, and overall compliance with safety standards.

These standards play a crucial role in ensuring that fire doorsets are designed and constructed to withstand specific fire-resistance tests, helping to safeguard lives and property in the event of a fire. By defining the criteria for the evaluation of fire door components such as frames, hardware, and seals, these standards contribute to the overall effectiveness of fire safety measures.

Compliance with these standards is essential to achieve reliable performance ratings, indicating the doorset’s ability to prevent the spread of fire and smoke, and providing valuable time for safe evacuation during emergencies.

International Standards

International Standards provide guidelines for fire door assembly and installation processes, ensuring global consistency in the manufacturing, supply, and fitting of Fire Rated Steel Doorsets.

These standards play a crucial role in harmonising practices across different regions, laying down specific criteria that manufacturers must meet to ensure the quality and safety of fire doors.

By establishing a common set of regulations, international standards help in streamlining production processes and supply chains, resulting in products that meet the same high standards regardless of where they are manufactured or installed.

Adhering to these standards not only ensures compliance with safety regulations but also boosts confidence in the reliability and effectiveness of fire door systems worldwide.

Building Regulations

Building Regulations mandate specific requirements for Fire Rated Steel Doorsets, covering aspects such as maintenance, performance rating, and installation practices to ensure compliance with safety standards.

These regulations are crucial in ensuring that Fire Rated Steel Doorsets are properly maintained to guarantee their effectiveness in case of a fire emergency. Regular maintenance protocols, such as inspections and necessary repairs, play a significant role in upholding the integrity and functionality of these doorsets.

The performance requirements set by regulatory bodies ensure that the doorsets can withstand the designated fire rating, safeguarding lives and property. Alongside installation guidelines, adherence to these regulations is essential for creating a secure and protected environment.

How Are Fire Rated Steel Doorsets Tested And Certified?

Fire Rated Steel Doorsets undergo rigorous fire resistance testing procedures to verify their performance capabilities, followed by certification and labelling processes to indicate compliance with safety standards.

During the testing phase, Fire Rated Steel Doorsets are subjected to intense heat and pressure conditions to simulate a fire scenario. Various parameters such as temperature resistance, insulation properties, and structural integrity are evaluated to ensure that the doorsets can effectively contain and prevent the spread of fire.

Once the testing is successfully completed, the doorsets are certified by authorised bodies, and specific labels are affixed to them to signify their fire resistance rating. This certification is crucial for building owners and occupants as it guarantees that the doorsets meet strict safety standards, providing peace of mind in the event of a fire emergency.

Fire Resistance Testing

Fire Resistance Testing involves subjecting Fire Rated Steel Doorsets to controlled fire conditions to assess their ability to withstand heat, smoke, and flames, ensuring compliance with specified fire protection standards.

During the testing process, Fire Rated Steel Doorsets are exposed to high temperatures and flames for a specified duration, typically ranging from 30 minutes to several hours, depending on the desired fire rating. Various parameters such as integrity (ability to prevent passage of flames), insulation (ability to maintain the unexposed side at a safe temperature), and stability (ability to remain intact under fire conditions) are closely monitored.

Performance ratings are determined based on the doorset’s ability to meet these criteria, with higher ratings indicating superior fire resistance. Regular fire door testing is crucial to ensure that the doorsets maintain their fire protection capabilities over time, as wear and tear or environmental factors can impact their performance.

Certification and Labelling

Certification and labelling of Fire Rated Steel Doorsets involve verifying the quality of fire door components, manufacturing processes, and compliance with industry standards to ensure reliable performance and safety.

Certification processes for Fire Rated Steel Doorsets typically include thorough assessments of the various components used in the doorsets, such as the core material, seals, hardware, and glazing materials.

Manufacturers are required to adhere to specific manufacturing practices outlined in safety guidelines to ensure the doorsets meet the necessary fire resistance ratings. Having the proper certification not only demonstrates a commitment to product quality and safety but also provides assurance to suppliers and manufacturers that the doorsets meet the required standards for fire protection.

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