English Posted September 17, 2017 Report Share Posted September 17, 2017 On old lady who ifs a friend of my parents and lives in a downstairs flat is having sewage or cooking smells which she believe comes from her neighbours who by all accounts cook a lot of spicy food? To try and overcome this she has had a new vent fan in her bathroom and this has not made any difference? I wasn't surprised at this but she has had people out to look at it and her bathroom vent fan goes into a foul pipe vent which I understand is shared with the neighbouring flat where the two pipes are joined in what sounds like a "trouser piece" or 2 into 1 "Y" Pipe? She would like to have the two pipes separated as she believes the smells are coming down her pipe and back into her flat. As soon as she explains she wants to separate the two pipes the people she has seen want an order jointly from the Landlord of the other flat and her as the owner of her own flat? I feel is something more simple like the vent pipe being blocked but she doesn't believe that. But this is a recent problem and I find myself asking what has changed? Any ideas or links to other forums for help would be appreciated please. Thanks Quote Link to comment Share on other sites More sharing options...
manthing Posted September 17, 2017 Report Share Posted September 17, 2017 Bathroom extractor should not go into the soil and vent pipe. Should go through a wall to the outside. Quote Link to comment Share on other sites More sharing options...
Me matt Posted September 18, 2017 Report Share Posted September 18, 2017 Bathroom extractor should not go into the soil and vent pipe. Should go through a wall to the outside. This. Who the hell in their right mind would exit a fan into a soil stack vent? Quote Link to comment Share on other sites More sharing options...
davewh100 Posted September 18, 2017 Report Share Posted September 18, 2017 sounds like an old soil stack has Matt says. just cap it of Quote Link to comment Share on other sites More sharing options...
ips Posted September 18, 2017 Report Share Posted September 18, 2017 I don't get it. A fan venting into a soil pipe 😞 that cant be what you mean surely 😲 Quote Link to comment Share on other sites More sharing options...
figgy Posted September 19, 2017 Report Share Posted September 19, 2017 A vent fan will only drag more of the smells in as it's got to draw its air from somewhere to then expel it. Get a plumber out to have a look. Quote Link to comment Share on other sites More sharing options...
English Posted September 19, 2017 Author Report Share Posted September 19, 2017 Gents thanks for the replies. To try and be clearer, the bathroom is a box room with no window or outside wall. If you imagine the Loo connects into a 100mm pipe (guess on the size) via T piece. the pipe goes down into the ground to the drains. at the other end the pipe heads skywards and the extractor fan vents into it near the top of the bathroom ceiling -on all the time when the bathroom light is on. As the pipe comes up into the loft space it runs along side (in parallel with the same pipe from the flat above the two then join into 1 pipe before venting to the outside world above the roof. She claims the smells from the flat above "Sink" at the Y piece joining the two pipes and then then enter her flat? Personally I think it must be a blockage somewhere as the smells would normally vent to atmosphere? As for the extract fan, this takes air / odours / condensation in the bathroom and puts it in the to pipe foul going down air presumably going up or at least venting above the roof? Quote Link to comment Share on other sites More sharing options...
Me matt Posted September 19, 2017 Report Share Posted September 19, 2017 If its a box room the extractor should have been fitted in the ceiling and ducted through the loft to a suitable outlet, like in hotels. Quote Link to comment Share on other sites More sharing options...
Delwint Posted September 20, 2017 Report Share Posted September 20, 2017 What Me Matt said 100% Quote Link to comment Share on other sites More sharing options...
AVB Posted September 20, 2017 Report Share Posted September 20, 2017 Gents thanks for the replies. To try and be clearer, the bathroom is a box room with no window or outside wall. If you imagine the Loo connects into a 100mm pipe (guess on the size) via T piece. the pipe goes down into the ground to the drains. at the other end the pipe heads skywards and the extractor fan vents into it near the top of the bathroom ceiling -on all the time when the bathroom light is on. As the pipe comes up into the loft space it runs along side (in parallel with the same pipe from the flat above the two then join into 1 pipe before venting to the outside world above the roof. She claims the smells from the flat above "Sink" at the Y piece joining the two pipes and then then enter her flat? Personally I think it must be a blockage somewhere as the smells would normally vent to atmosphere? As for the extract fan, this takes air / odours / condensation in the bathroom and puts it in the to pipe foul going down air presumably going up or at least venting above the roof? Why do you think the smell would vent into the atmosphere rather than into her bathroom? The extractor fan isn't sealed. All it is is a hole into the soil pipe with a fan in front of it. No wonder it smells. Quote Link to comment Share on other sites More sharing options...
figgy Posted September 20, 2017 Report Share Posted September 20, 2017 The term soil and vent pipe don't mean vent an extract fan into it. The soil pipe needs resealing and the extract fan venting via it own duct to outside with no droops in the duct that can fill with condensate. Quote Link to comment Share on other sites More sharing options...
eddoakley Posted September 21, 2017 Report Share Posted September 21, 2017 As above. Seems pretty simple. Vent the fan properly and seal the hole that's been made in the SVP. Whoever thought that was a good idea need a swift boot. Edd Quote Link to comment Share on other sites More sharing options...
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