Mark Wilson Posted August 30, 2019 Report Share Posted August 30, 2019 Can anyone advise on the most recent regulations regarding fire door gaps? Properties concerned are mainly HMOs housing vulnerable people that may take longer to evacuate Many thanks Mark Wilson Quote Link to comment Share on other sites More sharing options...
Neil ashdown Posted August 31, 2019 Report Share Posted August 31, 2019 No recent changes to gap requirements. These should be in accordance with the door leaf manufacturers installation instructions, product data sheet or technical manual. Usually, that means the gap between the door leaf and door frame at the vertical edges and top edge should be minimum 2mm and maximum 4mm. At the threshold the gap between the door bottom edge and the floor covering or threshold plate should be 3mm maximum where cold smoke protection is a requirement. Clearly, HMOs will require cold smoke protection. Where a max 3mm gap cannot be achieved it is permissible to fit a threshold smoke seal to fill the gap, but the gap between the door bottom edge and the floor covering or threshold plate should not be more than 10mm. Where cold smoke protection is not a requirement the bottom gap should not exceed 10mm. Quote Link to comment Share on other sites More sharing options...
Mark Wilson Posted September 4, 2019 Author Report Share Posted September 4, 2019 Thanks that's really helpful Neil Quote Link to comment Share on other sites More sharing options...
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