Martyn Posted June 9, 2021 Report Share Posted June 9, 2021 Are there any manufacturers/suppliers of cold smoke brushes for bottoms of doors where the gap fluctuates from near flush to over 25mm across the width. The building is very old with sloping floors, and the doors cannot be cut to size. If not, are there any other solutions members can suggest? Thanks Quote Link to comment Share on other sites More sharing options...
Neil ashdown Posted June 10, 2021 Report Share Posted June 10, 2021 A threshold gap of 25mm is excessive for both fire resistance performance and smoke spread performance. Can the floor condition be remediated and/or can a threshold plate be fitted to the floor directly under the door in its closed position? Quote Link to comment Share on other sites More sharing options...
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