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Guest Andrew Russ

Vents in fire doors

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Guest Andrew Russ

Fitting Intumecent Air Vents into a half hour fire door.

Since the grenfeld incident has there been a change regarding the fitting of vents into fire doors, a supplier is telling us that we cannot now fit ???

It fir the top open air floor of a multi story car park.

Any assistance would be appreciated.

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It all depends on the type of fire door, if it is a FD30 fire door then it could be acceptable, if it is a FD30s fire door which is designed to control cold smoke then it is a no no and you would need to fit an active device that would control the passage of cold smoke and hot gases/fire. 

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regs state now these have to be fitted when purchasing a fire door from manufacturers of if you have approval from the manufacturer to fit these, somehow I think they wont give you it but will supply you with it already fitted to your building fire assessors specs.

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tom its not hard to find out. ive just completed fire door fitting and maint courses and inspectors course at BRE.

you should not cut any apertures into doors for glazing or vents unless you are approved by the manufacturer.

if you fit it from a blank you wont have any certification as it will not have been tested to destruction, no certification = non compliance with building regs

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I disagree if you fit a blank and construct it in accordance with the global assessment that should come with the door it is very likely to be accepted by building control as a nominal fire door.

However, I do agree you need the appropriate training and if a door cannot achieve the minimum standards of the appropriate guidance then it should be upgraded to the latest standard.

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yes you could fit a blank to the correct standards, but you then have no certification for it as it will never have been certified under test conditions. therefore it will be a non compliant door as it does not have a certificate.

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No it would be a nonminal fire door which there are many out there and can be acceptable to many BCO/AI,s, in fact at the end of the global assessment there is a document thats makes this point.

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