Guest Pui Posted July 6, 2020 Report Share Posted July 6, 2020 Hello, Is running a kitchen extractor fan duct from the flat below along the interstitial space between ceiling and floor above a fire risk? Also the flexible extractor duct is squeezed through a narrow opening at a 90 degree angle. Would really appreciate an informed opinion. Thanks. Quote Link to comment Share on other sites More sharing options...
AnthonyB Posted July 6, 2020 Report Share Posted July 6, 2020 Fire and smoke will readily pass through this and depending on location and what areas it penetrates could indeed be an issue. Quote Link to comment Share on other sites More sharing options...
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