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damp on new extension

  • 26-08-2014 8:16pm
    #1
    Gmanno1
    Registered Users, Registered Users 2 Posts: 105 ✭✭


    I got an extension and on the outside half way up the plinth looks wet but it stops when it hits the dpc. Just wondering would anyone know why this is happening?


Comments

  • #2
    Handsandtools
    Registered Users, Registered Users 2 Posts: 363 ✭✭Handsandtools


    Gmanno1 wrote: »
    I got an extension and on the outside half way up the plinth looks wet but it stops when it hits the dpc. Just wondering would anyone know why this is happening?

    High water levels possible. You maybe need to install drainage around foundations.
    It all depends on where the building is located, is there a hill beside or building is in low grounds etc.
    is the wet all the time or just when it rains?


  • #3
    Gmanno1
    Registered Users, Registered Users 2 Posts: 105 ✭✭Gmanno1


    Handsandtools wrote: »
    High water levels possible. You maybe need to install drainage around foundations.
    It all depends on where the building is located, is there a hill beside or building is in low grounds etc.
    is the wet all the time or just when it rains?

    Hi thanks
    It's in rathfarnam in dublin which would be considered mountains I suppose. Could be bad drainage as the back garden gets a bit swampy but I don't think so. foundation levels where taken from old house which has no problems. It's only when it rains.


  • #4
    Gmanno1
    Registered Users, Registered Users 2 Posts: 105 ✭✭Gmanno1


    Gmanno1 wrote: »
    Hi thanks
    It's in rathfarnam in dublin which would be considered mountains I suppose. Could be bad drainage as the back garden gets a bit swampy but I don't think so. foundation levels where taken from old house which has no problems. It's only when it rains.

    It's a semi detached


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