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Do I need Fire Doors? | Champion Timber News

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Wednesday, April 10, 2013
 

What are fire doors

Fire doors have two important functions in a fire; when closed they delay/stop the spread of fire and when open they provide a safer means of escape. To delay the spread of smoke and fire, fire doors close automatically and are used to compartmentalise buildings. As these ‘compartments’ are linked by fire doors they also create a safer flow of traffic to the emergency exits.

The spread of smoke is a greater threat to human life than flames, especially in the early stages of a fire. Combined smoke and intumescent seals should be used to protect from all aspects of a fire in a single door: Cold smoke seals such as brushes or blade prevent the spread of smoke through door edges. Intumescent seals expand and fill the gap between doors and their frames when subjected to heat. The majority of intumescent seals are fitted in the door frame but they can also be grooved in the door edge.

Some fire doors only require intumescent seals (FD fire doors). Others need to resist the passage of smoke as well as the spread of fire (FDs fire doors).

Where to fit a fire door

It is advisable to use a fire door for any room where a fire is likely to start, like the kitchen, a room with a fireplace or any room with electrical and/or flammable items.

Building regulations for domestic properties stipulate:

  • An internal garage door leading into a 2 storey house must be a fire door.
  • New build or renovated properties with 3 storeys must have FD30 fire doors on the 3rd floor and in some circumstances on the landings.
  • En-suites and cupboards are exempt unless the cupboard contains electrical or gas services.

If commercial then fire doors have to be fitted according to the fire escape route.

Certified fire doors

Manufacturers can certify fire door sets, getting them tested by an approved fire testing centre for certification. A fire door must be fitted strictly in accordance with its test evidence, including seals and ironmongery which can be obtained from the door supplier / manufacturer.

Once approved, each door set will be labelled with the manufacturer, date of manufacture and designated fire rating. This label is usually put on the top edge of the door. Colour-coded plugs are sometimes inserted into the door in addition to the label.

The most commonly specified fire ratings are:

  • FD30 – 30 minutes
  • FD60 – 60 minutes
  • FD90 – 90 minutes
  • FD120 – 120 minutes

Fire door design options

You don’t have to have ugly cumbersome mismatched fire doors. Champion Timber has over 2000 timber doors in stock and a huge range of over 100 timber fire doors. Fire doors are available in many styles and designs including panelled, plain and glazed from leading certified fire door specialists.



Champion Timber Branches

Champion Timber have 9 branches throughout Surrey and Kent all offering the same exceptional customer service and product choice. Guildford, New Malden, Wimbledon, Claygate, Dorking, Edenbridge, Chessington, Sutton and Bromley. Visit our website for more details and information on current promotions.

 
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