Guest Carl Posted July 21, 2020 Report Posted July 21, 2020 My client has a double fd60 door set with a 25mm gap under the doors and frame (the frame has timber between it and the ground both sides), presumably face fix smoke seals can be added to the doors but what measures would be required for the frame. Is this a replacement frame standing on the ground? Quote
Neil ashdown Posted July 21, 2020 Report Posted July 21, 2020 Maximum threshold gap for FD60(s) is 3mm. Refer to BS 8214:2016 Timber based fire door assemblies Code of practice Quote
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