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Fire Doors opening over ramps

Guest Paul

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I have come across a fire door that opens over a ramp, therefore the door in the closed position has a gap of 35mm hinged side to 75mm on the latch/handle side. This is to accommodate opening over an upward slope. a nightmare I know, the ramps have not been fitted correctly as per AD K, but he we are. Any suggestions about the door or other solutions please.





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Timber based fire doors should be installed in accordance with the fire door manufacturers instructions and BS 8214:2016 Timber-based Fire Door Assemblies. Code of practice. 

This means max threshold gap should be 8mm to 10mm (depending on doors test evidence) for a Fire only door OR 3mm where the Fire door has to provide restricted cold smoke spread.

It may be necessary to re-locate the fire doors away from the ramp or at the top of the ramp?????  If that's possible??

Edited by Neil Ashdown CertFDI
typing error connected
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