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Stinky loft ...

Discussion in 'Plumbing and Central Heating' started by Hozier, 29 Jul 2021.

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  1. Hozier

    Hozier

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    not sure if I'm posting in the right place here ...

    Our loft is starting to smell like a sewer. I think this is the culprit. There are stains on the flooring and on the insulation.

    Also in winter this year, a lot of condensation was forming on the roof membrane and constantly dripping to the loft floor. Is this related in any way?

    Thanks for any advice!
     

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  3. BoilerBob

    BoilerBob

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    It’s an air addmitence valve it lets the soil pipe breathe you could make it longer and take it through the roof that would get rid of the problem. Bob
     
  4. JP_

    JP_

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    could there be another extractor vent leaking too? I had this in my loft and it created a huge amount of condensation.
    was a tiny leak but enough to create a lot of moisture in the loft.
     
  5. CBW

    CBW

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    Looks like it could be an air admittance valve, and could be source of problem.
     
  6. Hozier

    Hozier

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    Good shout. I'll look into this.
     
  7. Hozier

    Hozier

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    Thanks Bob. If I wanted to get a tradesperson out to take a look would it be a plumber? And will I have to get rid of the insulation that is stained?
     
  8. BoilerBob

    BoilerBob

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    Plumber then I used to get a builder to do the roof. Bob
     
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