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Possible damp floor and stone tiles

Discussion in 'Floors, Stairs and Lofts' started by chuckalicious, 24 Jan 2012.

  1. chuckalicious

    chuckalicious

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    I'm in the process of lifting my old tile floor in order to put down a new one.

    the floor is solid concrete and as far as i know is laid directly onto earth - the room is about 100 years old.

    there's a spot on the floor which seems to be a little damp - I didn't know about it until the floor was lifted. I can't really see where this could be coming from, so not sure how best to deal with it.

    So what I'd like to know is if I were to lay the new tiles (travertine stone), is it possible that any dampness from the floor would come through the stone tile and stain it? Or would the adhesive seal it?

    I know the best option would be to lift the floor completely, but this would be a huge job and as it's such a small damp spot, which must have been there for decades, I'm inclined to leave it as it, but don't want to damage my tiles in the process!

    Thanks all.
     
  2. RedHerring2

    RedHerring2

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    I think you could paint on a dpm, something like Synthapruf, before laying the new floor.
     
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  4. chuckalicious

    chuckalicious

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    Ok thanks, I'll look into that.

    Without doing so do you think the stone might absorb some of the dampness and stain the surface?
     
  5. chuckalicious

    chuckalicious

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    Just looked at those products - will tile adhesive stick to something like that afterwards?
     
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