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Posted By Barry J
Does anyone know how to identify what doors are "fire doors".
I am confused as to how to spot them and thought that self closing doors devices would normally be a good indicator.
Also, not all fire doors have signs indicating this.
Please help....
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Posted By Mitch
They can be identified by the blue and red plugs fitted to the hinged edge of the door, they look like Raw plugs (is that commercial endorsement?)
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Posted By stevehaigh
Usual have 3 sets of hinges - but not always
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Posted By CFT
I thought it was the big sign on them that says "fire door keep shut"
Intumescent strip in the frame tends to be a give-away but not conclusive as mistakes have been made, H&S/O&M file is helpful but not fully conclusive, 3 hinges as stated but many chippies will continue a theme so that doesn't always work,coloured plug often disappears but can often be found on the top jam, best way is not to take it off and weigh it.
Can't think of anymore.
CFT
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Posted By Manny
Depends where the fire door is located. In Germany there is a plate affixed to the door however in UK it's not as simple, but all is not lost just google: Fire Door Identification and you will find all the answers you need.
Manny
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Posted By Philip Beale
As others have said
3 hinges
Intumescent strips / smoke seals
plugs but not always present
also glass insert should be fire rated.
Note also look above the false sealing to ensure the gap is filled above the door as i have seen a couple with fire doors fitted but the false ceiling carries on straight across the door frame with no fire break above.
phil
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Posted By shaun mckeever
You cannot necessarily tell by the coloured rawl type plugs if they are fire doors. The system of using coloured plugs was discredited some time ago due to cowboy firms inserting similar coloured plugs into ordinary doors and then selling them as fire doors. Be aware.
There is an improved scheme which uses barcodes normally affixed to the upper edge. With the barcode system you should be able to track the history of the door.
As a general rule fire doors will have a combination of intumescent strips and cold smoke seals (either rubber blade or brush), will have three steel hinges each requiring four screws, will be approximately 42mm thick, will have a gap between the door and the frame no bigger than 4mm, the gap will be sealed by the cold smoke seals, a gap under the door no bigger than 10mm, be fitted with a self-closing device, will not have digital locks (door furniture must be rated the same as the door), will not be distorted in the frame and the surface of the door must not be damaged.
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Posted By Barry J
All. Thanks very much for the responses - most of which are very helpful.
Barry
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Posted By Paul Leadbetter
I have just visited a listed building where the doors opening onto the only escape route appear to be fire doors but how can I be sure? The doors, which are thicker than usual, only have two hinges but the rebate in the frames is about 3 cm and the doors are fitted with percomatic closers; there are no cold smoke seals and no intumescent strips, as the doors were installed many years ago.
Paul
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Posted By Jem
Perhaps we should turn this question on it's head and ask 'when should a door be a fire door'?
I have often found that compartmentalisation can get confused in buildings that have structural alterations or change of usage. I have also had different interpretations from building regulators when applying for fire certificates prior to the RRO.
Jem
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