Member 487327 Posted August 29, 2023 Report Share Posted August 29, 2023 Hi there, I'm new here and I've been reading a few of the topics posted here about reducing gaps. I have a front door to the flat that has 4mm gap on the hinge side and 6mm gap on the closing side. I wanted to ask if surface mounted fire and smoke seal can be used to close the gap on the closing side to less than 4mm? Thank you. Quote Link to comment Share on other sites More sharing options...
Neil Ashdown MAFDI Posted September 1, 2023 Report Share Posted September 1, 2023 The 2mm to 4mm gap requirement in BS 8214: 2016 refers to the gap between the edge of the door leaf and the inside face of the door frame. Therefore, in order to resolve a larger gap at the closing edge it would be necessary to loosen/remove and re-position the door frame closing jamb. The smoke seal, in order to be effective, should completely seal the gap when the door is closed. Quote Link to comment Share on other sites More sharing options...
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