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Understanding Fire Doors: Exploring FD30 vs. FD60

In the realm of fire safety, every detail matters. From the design of a building to the materials used, each element plays a crucial role in ensuring the safety of its occupants. Among these elements, fire doors stand out as vital components in containing and preventing the spread of fire within a structure. Two common classifications of fire doors are FD30 and FD60, each with distinct characteristics and applications. Let's delve deeper into understanding the difference between FD30 and FD60 fire doors.

FD30 Fire Doors:

FD30 refers to fire doors designed to withstand fire for a minimum of 30 minutes. These doors are constructed using materials that provide a half-hour fire protection barrier, offering valuable time for evacuation and fire containment. Typically, FD30 doors feature a solid core made from materials like timber or composite materials such as particleboard or solid chipboard.

Characteristics of FD30 Fire Doors:

1.     Materials: FD30 doors commonly feature a solid core made of fire-resistant materials. The core is often encased in fire-retardant veneers or facings, enhancing their ability to withstand heat and flames.

2.    Construction: These doors are meticulously crafted to meet stringent fire safety standards. They may incorporate intumescent strips around the edges, which expand when exposed to heat, sealing any gaps between the door and the frame to prevent the passage of smoke and flames.

3.    Certification: FD30 fire doors undergo rigorous testing procedures to ensure compliance with industry standards. Certification from recognized bodies verifies their effectiveness in containing fire for at least 30 minutes.

4.    Applications: FD30 doors are commonly used in residential settings, commercial buildings, and public spaces where a basic level of fire protection is required. They are often installed in corridors, stairwells, and areas of high fire risk to compartmentalize the building and slow the spread of fire.

FD60 Fire Doors:

FD60 fire doors are designed to provide enhanced fire resistance, capable of withstanding fire exposure for a minimum of 60 minutes. These doors offer a higher level of protection compared to their FD30 counterparts, allowing more time for evacuation and emergency response efforts.

Characteristics of FD60 Fire Doors:

1.     Enhanced Fire Resistance: FD60 doors feature a thicker and more robust construction compared to FD30 doors, incorporating additional layers of fire-resistant materials. This increased density and thickness contribute to their ability to withstand fire for a longer duration.

2.    Specialized Design: Manufacturers employ advanced construction techniques and materials to ensure FD60 doors meet stringent fire safety requirements. They may include multiple layers of fire-rated materials such as gypsum, mineral wool, or specially treated timber.

3.    Certification: Like FD30 doors, FD60 fire doors undergo rigorous testing and certification processes to verify their effectiveness in withstanding fire for at least 60 minutes. Compliance with recognized standards ensures their reliability in critical fire scenarios.

4.    Applications: FD60 fire doors are typically installed in high-risk areas such as industrial facilities, chemical storage areas, and buildings with complex layouts where a higher level of fire protection is necessary. They provide vital protection in scenarios where containing fire for an extended period is essential for safety and property preservation.

Choosing the Right Fire Door:

Selecting the appropriate fire door for a specific application is crucial for ensuring the safety and compliance of a building. Factors such as building regulations, occupancy type, and fire risk assessments influence the choice between FD30 and FD60 fire doors. Consulting with fire safety experts and adhering to relevant standards and guidelines can help property owners and developers make informed decisions regarding fire door selection and installation.

In conclusion, while both FD30 and FD60 fire doors play essential roles in fire safety, they differ in terms of fire resistance capabilities and applications. Understanding these differences is paramount for implementing effective fire protection measures and safeguarding lives and property in the event of a fire emergency. By prioritizing fire safety and investing in quality fire doors, individuals and organizations contribute to creating safer environments for all.

Here at Fireprotect, we pride ourselves in making sure that the correct materials and seals are used so that any fire door fitted is compliant and fit for use, from the intumescent seals used around the perimeter of the door to the correct seals used in the fitting of any glass such as System 36 glazing channels ceramic tapes , setting blocks, or Interdens strips.  We’re always happy to advise so give us a ring if you’re in any doubt.

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So, I thought for this blog, I would do a little bit of research into how long passive fire protection has been used and I was very surprised. I guess I thought it would be something that had been around for the last 150 years maybe, but “The Act for rebuilding the City of London” was passed in 1667, some 356 years ago! This was to ensure that all new buildings were to be constructed from non-combustible materials such as brick and stone as a passive fire method, and that there should be a maximum of storeys per house to eliminate overcrowding, again, we learnt from a disaster.

It was after a great fire in Edinburgh in 1824 that they got strict urban planning laws for new build properties that meant passive fire protection had to be a lead consideration. This was an excellent start and thankfully, there have been many updates to worldwide legislation and testing that makes the fitting and inspection of passive fire protection materials compulsory.

In 1821 Joseph Louis Grey-Lussac discovered the ammonium phosphates and borax were capable of making textiles flame retardant and around that time discovery and invention in the fire proofing industry was gaining momentum. In 1904 in the USA Charles Dahlstrom invented the “Fireproof Door” and by the 1970’s sealants and wraps were being used after the need arose from the Browns Ferry Nuclear Power Plant disaster, when at that time urethane foams were used as a fire stop.

One of the most commonly known fire proof materials is Asbestos, Greek sources mention its use around 400BC it being used in pots to give better resistance to the fires they were used on. The technique of melting the rock and making it into a fibre was at its peak in the 1950’s but there is documentation of this being done by the American Indians from way back in 1724. Of course, we’re now very aware that this can cause huge health problems and by the 1970’s work was done on finding replacement materials.

Ceramic fibre had been invented in the early 1940’s in America and was known to be much safer for human use than Asbestos, and was seen as its replacement in many applications. This has now been superseded by the use of bio-dispersant fibres such as Superwool which are proven to be safer again.

The use of intumescents is one of the key materials in building protection, from pipe collars,to door seals it is such a versatile material that is constantly being developed, from its use in the composite industry to textiles and


Passive fire protection is an industry that is constantly evolving along side the companies it’s involved with, from construction, to marine, to aerospace, wherever there is a chance of fire, this innovative industry will be there, developing products to protect lives, quietly, efficiently and professionally.

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So, I was wondering how much folks think about passive fire protection in their day-to-day lives. I guess if it’s doing its job, it’s something that we don’t need to worry about, knowing that the correct products have been used and installed correctly. I think I’m a bit of a geek, whenever I’m in a public building I always look at fire door seals and make sure they’re there and installed properly, it drives my daughter mad! The thing is, it’s so important that when I’ve seen issues in buildings, I’m compelled to inform someone as the thought of there being a fire and the people in the building aren’t properly protected haunts me. It’s easy to check things like intumescent door seals being installed and intact and looking at the intumescent paint on the beams on an underground car park, but in normal circumstances, things like intumescent collars and penetration seals are hidden away and so we rely on building inspectors checking them and making sure they’re compliant, not just when a building is being built but on a regular basis.

Also, there is the consideration that as with all industries, there can be differences in quality. Obviously, we can guarantee the products that we manufacture such as the ceramic glazing tape, intumescent tapes, and black fire-rated tapes, but we also make sure that any products that we distribute such as the Lorient seals and Superwool blankets are fully tested and compliant. We’re always on hand for advice as to which products are best to use and this will also give me the chance to be a geek and talk passive fire protection!

Stay safe – Niky.

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