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 Post subject: Bathroom extractor fan
PostPosted: Thu Feb 01, 2018 3:19 pm 
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Extractor fan in bathroom in the loft.
The only way to do it is to bring a rigid flat pipe such as this one -
https://www.screwfix.com/p/manrose-rect ... 10mm/14118
DOWN between the rafters amd then out through the wall of the house. (I can't bring it any other way in a terraced property with very odd style roof tiles that must be messed with - in a conservation area).
Is this ok? What problems do I need to be wary of if I do this?


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PostPosted: Thu Feb 01, 2018 5:16 pm 
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any pics of the outside of the house (particularly roofline/eaves) ? might help with suggestions ??

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PostPosted: Thu Feb 01, 2018 6:20 pm 
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Manc chippy wrote:
What problems do I need to be wary of if I do this?


You should probably try to ensure that the rectangular trunking has at least the same cross sectional area dimension as the circular outlet of the fan.

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PostPosted: Thu Feb 01, 2018 10:12 pm 
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wine~o wrote:
any pics of the outside of the house (particularly roofline/eaves) ? might help with suggestions ??

The wall of the house comes up higher then the floor of the loft. I can't but it through the roof or the party wall. The only place I can bring the pipe from the fan is between the rafters of the roof down to the wall of the house and then out.


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PostPosted: Sat Feb 03, 2018 10:20 am 
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I just a diyer so feel free to ignore but I can't see any issues. The fan is just blowing out moist air through a duct so pretty unrestricted. It would want to be a p*ss weak fan not to be able to do that. It is heading down wards too so any possible condensation would drip to the outside.


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