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How do I know if I need fire rated door?

Author

Noah Mitchell

Published Jan 08, 2026

Any new build or home renovation that has three or more floors must have fire doors fitted to every habitable room that leads from a stairwell. This applies to loft conversions where an extra floor has been added to a two-storey home. Any door leading from your home into an integral garage must be a fire door.

Which doors have to be fire doors?

Where do I need fire doors?

  • Domestic dwellings: In homes more than two storeys high, there must be a fire door separating the stairwell and every habitable room (excluding toilets or bathrooms). ...
  • Mixed use buildings: The business and residential sections of mixed-use buildings must be separated by fire doors.

Do I need FD30 or FD60?

The difference between FD30 and FD60 fire doors

FD30 fire doors have been engineered and built to withstand a fire for a solid 30 minutes, whereas FD60 fire doors are able to prevent the spread of a fire for 60 minutes.

Do all internal doors have to be fire doors?

No. If you don't already have fire doors in your home, standard doors are fine. However, if you wish to apply extra safety measures to keep you and your family safe, then they are a great addition – you just need to consider the following: * Check the fire door will fit your existing doorframe.

What is the difference between a fire door and a normal door?

Fire doors are given a fire-resistance rating, and are usually made of a combination of glass, gypsum, steel, timber and aluminium. They are designed to be kept closed, and any gaps between the wall and the door must be filled with a fire resistant sealant.

36 related questions found

Are fire doors a legal requirement in houses?

Are fire doors a legal requirement? Fire doors are a legal requirement in all non-domestic properties, such as businesses, commercial premises, and public buildings. They are also required in residential flats and houses of multiple occupancy.

Do external doors need to be fire rated?

Do external doors need to be fire-rated? There are occasions where an external fire door is required to keep in line with building regulations. If your external door shares a communal space, for example, a hallway or lobby in an apartment building, then you do require a fire door.

Do you need to be certified to fit fire doors?

Any individual installing a fire door should be fully trained and competent to do so. Look for a label or a plug to show that the door is certificated and check the instructions/certificate supplied.

Do I need fire rated door HDB?

A simple rule of thumb is when your HDB main door is within 3 metre from the nearest lift or staircase, you will need a 1/2 hour fire rated door.

Do fire doors need to be self closing?

In most residential settings, a fire door is legally required to be self closing. This means that they have a fire door closer fitted to the top of the door, to ensure they are closed at all times – which is vitally important in the event of a fire.

Can you have a 30 minute fire door in a 60 minute wall?

What fire resistance period should be required*? In a compartment wall that separates buildings, the fire door must match the fire resistance period of the wall containing the door with a minimum period of 60 minutes. In all other situations, a 30 minute fire door (FD30) is allowed.

What is a FD30 fire door?

The most common specification for fire doors leading to escape routes are fire doors resisting fire for 30 minutes, called FD30 fire doors. Sometimes higher fire-ratings are necessary to help protect property or assets as well as to protect people. An example are FD60 fire doors, which resist fire for 60 minutes.

What makes a door FD30?

An FD30 fire door is fire resistant up to a minimum of 30 minutes, whereas an FD30S fire door is fire AND smoke resistant up to a minimum of 30 minutes. The additional S in the rating shows that the door is also smoke resistant.

What is the normal fire rating of a nominal fire door?

Timber-based fire doors are rated, generally, from FD20 to FD120, that's 20 minutes to 120 minutes fire resistance. However, these are a benchmark from the fire resistance performance tests and the fire door rating is an indication of fire performance, not necessarily how a door would perform in a real fire.

Why we need fire rated door?

Fire doors help the compartmentalization of buildings, helping in delaying the spread of fires. Since these compartments are usually linked by the fire doors, they serve two functions; when closed they form a barrier to stop the spread of fire and when opened they provide a means of escape.

Can I fit my own fire door?

Altering doors, fitting them with components that have not been approved, and fitting glazed or non-glazed apertures are all tasks that should not be undertaken by anybody without specific expertise, because they can damage the performance of the door, which can unfortunately have devastating consequences.

Can I install my own fire door?

Install fire doors yourself – the components and seals are as important as the door itself. Let tenants replace fire doors if your building is a block of flats. Remove the self closing device fitted to the door. Leave damaged doors in use – always have them repaired or replaced ASAP.

Can anybody fit a fire door?

It is not a formal requirement for people who install fire doors to have any qualifications or accreditations, meaning anyone can do it, however it does not mean that they should. The responsibility of installing fire doors is big, and it comes with a risk to lives.

How many fire doors are required?

The government guideline states that for up to 60 persons 1 fire exit is needed, for up to 600 persons 2 fire exits are needed and in cases of more than 600 people there must be at least 3 fire exits.

What is the difference between FD20 and FD30 fire doors?

It was decided from the Scheme's inception that its door manufacturing members would no longer test and sell an FD20 fire door except with intumescent seals fitted. Typically this determines that an FD30 product is in fact used for both levels of performance.

What are the building regulations for fire doors?

Under the current Building Regulations all new fire doors should be to FD30s standard. This means it should provide fire resistance of not less than 30 minutes and be resistant to the passage of smoke at room temperature conditions.

How thick is a 30 minute fire door?

FD30 (30 minutes) fire doors are usually 44/45mm thick, as opposed to the standard door thickness of 35/40 mm, FD60 (60 minute) fire doors most commonly used in commercial settings are normally 54mm thick.

Are vision panels required in fire doors?

Part M of the Building Regulations stipulates that all entrance doors and internal doors where the door leaf or side panel is wider than 450mm (other than for reasons of security) should include a vision panel.

Is locking a fire door illegal?

Fire exit doors must not be locked with a key or padlock whilst a building is in use. However, when a building is unoccupied it can be locked as securely as required.

How quickly should a fire door close?

The closing speed of a door on an accessible route equipped with a door closer is limited by the accessibility standards to a minimum of 5 seconds to move the door from 90 degrees to 12 degrees from the latch. This ensures that a door does not close too quickly.