Damp bedroom, possible cause by adjoining wall..

Discussion in 'Building' started by darrude, 14 Oct 2017.

  1. darrude

    darrude

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    Hi, We seen to have damp in a ground floor bedroom. Had 2 builders round and a damp prevention company but none have been able to advise corrective actions.

    However while walking round the back I noticed the pointing on an adjoining wall has come away and I can see into the cavity of the house wall. Obviously this needs fixing on regardless of whether this is the cause of the damp issue. Just wondering thoughts of how to fix, just re- point. Or do some remedial work to add damp course etc. I'd rather go belt and braces than quick fix if it's needed...

    Images attached.

    Many thanks

    Darren DSC_0845.JPG DSC_0845.JPG
     

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  3. Jadele

    Jadele

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    can you provide pics of the damp and where it is in relation to the exterior photos.
     
  4. darrude

    darrude

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    Hi jadele, that's a really question, and possibly what stumped the damp restoration company and builder. The is no sign of damp in the bedroom, is just smells foisty, especially when the dehumidifier fills, which when it does reads 80% humidity (max reading) more or less straight away, so my assumption is moisture is under the floor (haven't taken up to check as don't want to damage the solid oak floor in there, chip boards underneath).

    Thanks Darren
     
  5. Jadele

    Jadele

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    Looking at your pics it looks like you may be getting a lot of moisture in to the walls from the airbrick which is almost in the patio floor. The patio floor also seems very high and possibly bridging the dpc of the house. where is the house dpc can you see it?
     
  6. darrude

    darrude

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    Hi, thanks again for responding, I pointed that out to the 2 builders, and pro treat as that's what I thought. They all assured me that was ok, which I thought a bit odd. Under the flags is 1 inch of sand then it's solid concrete. I can't see the damp proof course in that area, at the back of the house it is below the level of the flags.

    Thanks Darren
     
  7. Jadele

    Jadele

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    I would say that's where the problem is imo which is limited without seeing it.
     
  8. How much are the windows left open. If you've got a dehumidifier going, then that suggest the windows are closed, or you've be extracting moisture from the outside air.
     
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