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Ducting in loft

I have some ducting in my loft from the extractor fan in the bathroom and the ducting has been laid across the loft and in places where its not straight and level water is collecting in the duct where it dips down, is this dangerous ?

2 Answers from MyBuilder Electricians

not dangerous but not ideal, put a few boards down in the loft to stop the sagging


Answered 31st Jan 2015

Yes. The installation of ducting in this way and without a moisture trap is not compliant with the building regulations.


Answered 4th Feb 2015

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