Neighbour getting smells from our extractor fan?

[Harry Bloomfield]

Yes this is the idea we liked but an electrician said you can't put a hole above the window but the window runs to where the blinds start so only about 20cm from the ceiling and also you would need to cut a hole though the concrete that holds the window and wall in place. This is what the electrician said and why it can't be done this way. Not sure if he's correct or not.

If that were true, which seems very unlikely, then the boiler flue has been installed, cutting through the lintel above the window. The boiler flue diameter, will be maybe a touch smaller than your extract flue, but so long as it misses the lintel, you're fine. I also note the boiler flue has a bit of a gap above it - your flue/duct needs to be up against the ceiling anyway. That supposes you are using a round pipe, a flat pipe, will need even less height.

 

[nameisme]

Thanks Harry makes alot of sense.
My next plan is to try and find a tradesman, even a handyman who is skilled enough to understand this and do this job.

So your still saying those 2 ideas

1) The photo with the red like marking?

Or

2) Through the bathroom

 

[Laurieo]

The ducting can stop before the pipework using two 45% joins to pull it flat against wall again ,run along roof and exit through the vent already there .
Or take of existing grill and fit a powerful wall mounted extractor .

 

[jj4091]

FFS You are just going round in circles see post 84 it meets all your needs as some of the following posts say the same thing as well.. I am also out!!

 

[robinbanks]

we dont get smells at all from the below kitchen

Says the neighbour, or says you?

Yes my wife wasn't happy and said how can he come round telling us to do this and to do that in our kitchen.

Because your regular behaviour is a nuisance to him, as would his predilection for burning tyres in the garden when the wind blows towards your house be a nuisance to you

Fortunately you seem to understand the sense in being neighbourly

my wife said she wouldn't like that.

but she's fine with a larger pipe coming out from the top of the boiler and running under the kitchen ceiling. If the cooker hood had been ducted through the bathroom before you bought the house she wouldn't even have raised it, nor would she have said "I'm not buying that house because it has a low profile duct on the bathroom ceiling

You still haven't posted a floorplan, and this info coming out in dribs and drabs is incredibly tedious, but at least we now know you own the room on the other side of the wall, which makes it feasible to duct up and into the busy corner in the kitchen then go through the wall very near the corner so all there is in the bathroom, if anything, is a bit of duct crossing through in the corner of the room. That may then be possible to hide with coving, a corner shelf etc

Alternatively, if you post a floorplan with joist directions annotated we will be able to see if it's possible to go through the joists above the bathroom because they're clearly shorter and don't need to be as strong

Post a floorplan with neighbouring rooms so we can see what is on the other side of the wall furthest away from the cooker

You clearly know how to post a photo so get a pen, draw some hasty rectangles on a piece of paper repeating a floorplan and take a photo of it and post the photo

 

[nameisme]

Ive drawn a floor plan for all to see here.

We donr get smells In our bedroom above our kitchen.

My neighbour was at door yesterday telling me the smell is still very bad in his bedroom from our cooking. He said he could even smell our cooking when he was standing at our front door.

He asked me to seal all around the edges of our ceiling which I did yesterday and see if this works. He will let me know.

There are holes in the real ceiling above the false ceiling in our kitchen which previous owner made I presume to fit in down spot lights in and somehow the neighbour knew this and said he would like us remove false ceiling and to seal those holes up in teal ceiling. Pleqse see photo as you can see the white part which is real ceiling has been cut. He wants me to do this if me sealing the edges doesn't work.
But surley there must be holes in the partywall that should be sealed and that's more important and more likely to resolve the issue than me sealing the holes up in the real ceiling?

 

[mattylad]

What is your neighbour doing about stopping the smells coming in?
Have they identified where it is?

Can you get them to tell you the next time they smell them then allow you to go in and see if you smell the same smell as is in your kitchen?
This would confirm that there is actually a problem.
You may also be able to sniff out where it's strongest, which will point a direction of how it's coming in.

 

[nameisme]

The neighbour isn't doing anything himself. He thinks the issue is from my end I think.
Maybe he should lift his laminate flooring up and look to see if there's holes there and then seal them up.
He invited me into his bedroom and I could smell the smell along the skirting board along the floor, where it is on the picture I drew. So it is genuine.

 

[nameisme]

So we had the ceiling all plastered and the kitchen cooker hood vented externally.
Our neighbour has said it is alot better now but was still complaining that the smells that are being vented outside now are blowing into his house through his windows. He said we should get a pipe fitted to it pointing upwards with a umbrella type fitting on the top to stop any rain or debris going into it. He said that would stop the smells blowing into his open windows.
I did ask the tradesmen who came out and they said best to not do that as rain and debris would go into it. I told the neighbour this but he said not if you have a umbrella type hood fitted.
But what arw these parts he's refering to called?
We would like to do it for ourselves anyway as when the kitchen window or back door is open the wind does blow the smells back into the kitchen a bit. But so long as what he suggested will stop this happening for us and also prevsnt it happening too him too. But I dont see how it would as wouldnt it just mean it would just blow out a bit higher up rather that right out the wall and the wind wpuld just below it back into the windows anyway again?
The tradesmens who fitted it said it would also mean the pressure would suffer as its futher along for it to travel. But the neighbour said it would make any difference as we are only talking about 50inches extra.
What are peoples thoughts and how could we do this? What exact parts would be needed?

 

[Collectors]

If you do it a better way & duct it through the outside wall, all neighbours will get it. A ridiculous way around it is ducting it up a lined chimney if you have one or an external pipe up the wall, like restaurants have to do.

 

[robinbanks]

And if it doesn't work out, maybe you need to review the aromas of what you're cooking; by your own admission you seem not to appreciate how it smells either?!

 

[nameisme]

Yes thank you both for your help. It cost us £2k to get the kitchen ceiling plastered and the cooker hood externally vented. As well as 3 full days if disruption.

It is a 150m pipe. Half goes under ceiling and the other half that goes out wall is boxed in and plastered over.

So was very dissapointed when he said the wind blows the smell into his bedroom as the wind always blows for some reason from our house to his. He has his bedroom windows open but the vent is just above our downstairs kitchen window. He said it blows into all his windows, upstairs and down stairs.
He wasn't grateful for what we have done si far. He did say though that now the smell doesn't stay in his bedroom 24 hours a day it only smells when we cook and then goes away. He keeps all his windows open 247.

We do smell neighbours cooking coming into our windows from the house to the other side. Doesnt bother us. Just lasts a little while. The smell doesn't bother us from our own cooking outside. I am guessing there's no way to avoid smelling the cooking smell other than to have ducking like robin has a photo of, so jt goes all the way up to the roof. But that seems a little extreme. Plus wpuldnt the air pressure be lost as it would have to travel much futher? Hence be less effective?

The only reason we would consider doing this is if it was of any benefit to us ie we wouldn't smell our cooking when we open the back door or are sitting on our decking. But crucially when it's gusty or windy the smell would still be smelt by him and us and would still blow into his windows. Which leads me to think we also have a pipe coming out for the gas boiler and when the gas boiler gives off a little gas smell at times when first turning on and our window is open we always smell it so that means even with a pipe vent wind will still blow it in.

Isnt it the case that if we added the external pipe it is still going to be blowing and coming out? How will it stop the smells blowong back into the windows or our back door when open? Is it because it will be directed higher up? And will help reduce the smells? As it will be blowing a bit of a different direction?

I did ask the conpany who did all this work and they didn't recomend doing this. They said the wind would still blow the smells around and if anything would be smelt by him more as would be higher up closer to his bedroom window. They also said rain and dirt would get into it but don't see how as it wouod have the exact same flat cover on it. They also said the air pressure wouldn't work as well as it would have to travel futher and therefore not be quite as effective? Is this true?

They said if we did wish to do it then these are the parts needed below.

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[robinbanks]

Wait.. You said your wife was kicking off about having to box in some duct in the bathroom the other side of the wall, to which I replied it should be possible to make it fairly subtle and just in the corner..

..and then she okayed that in picture 2/3?!!

Jesus, it would have been more subtle to install a false ceiling across the entire room to hide a manifold of flat ducting

If you're looking to chase the his out to the point where you can do no more, I'd say you're looking at going out of the roof, and that be the end of it

 

[nameisme]

Wait.. You said your wife was kicking off about having to box in some duct in the bathroom the other side of the wall, to which I replied it should be possible to make it fairly subtle and just in the corner..

..and then she okayed that in picture 2/3?!!

Jesus, it would have been more subtle to install a false ceiling across the entire room to hide a manifold of flat ducting

If you're looking to chase the his out to the point where you can do no more, I'd say you're looking at going out of the roof, and that be the end of it

Well I said my wife wasn't happy about having a boxed pipe across the bathroom ceiling due to the bathroom being tiny and standing in the bath shower your head wouldn't be far from it. But in the kitchen it looks ok and she's OK with it as kitchen is far larger than the bathroom.

Yes out the roof would be the beyond end of it. You mean higher than the gutter?

 

[Lower]

Exactly as a previous poster said, the best way to deal with this would be to have a vent pipe running up the side of the building to above eaves height, the idea being that the smells are vented high up away from windows so they disperse, the same principle as stench pipes. You don't want a rain cap on an extraction duct as the cap will create resistance to air flow so you'd need a drain on the bottom of the vent pipe or a water ingress damper of some sort.