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  1. #1
    Join Date
    Dec 2008
    Reading PA

    Question Stone Basement Wall Coating Help

    I have an 1890s stone farm house with stone walls that have a white coating that is crumbling. It makes a mess. You touch the wall and it crumbles. I want to correct this so it does not happen anymore. Attached are images.

    Where do I start? Any instructions on how to resolve this?
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  2. #2
    Join Date
    Oct 2008
    Kansas City, Missouri

    Default Re: Stone Basement Wall Coating Help

    Is it thicker than normal paint and kind of sandy looking when you look at it?

    Could be a product called Dry-loc which is intended to seal and block water from entering. When first applied, it has to be done correctly and is very time consuming. If you don't do the necessary prep work then it degrades quickly. Walls have to be "etched" with a product that removes the surface salts and minerals that have leeched through the stone before the Dry-loc can stick. Yours could be 10+ years old or 2 years old depending on the prep work that was done.

    Unfortunately no matter what it is, it will need to be removed mechanically with arm power. I doubt it's lead based but there is no gurantee when working on older homes. Probably have to sc**** and chisel it off. Looks like your stone is in good shape so be careful not to damage the mortar inbetween.

    Hope that helps a little...

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