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  1. #1
    Join Date
    May 2011
    Location
    Montreal
    Posts
    44

    Default Efflorescence on foundation parging !

    Hi again,

    If you have read my previous post, you know by now I have issues again with efflorescence.

    This time I noticed that white powder all along the foundation wall on the parging. Why could possibly cause this problem.

    Thanks again for your help in advance.

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  2. #2
    Join Date
    Jul 2008
    Location
    Lancaster, CA
    Posts
    153

    Default Re: Efflorescence on foundation parging !

    Hi Christian,

    Do you have a picture of a larger area? What is above/behind/adjacent to this area?

    Has a moisture meter and/or reading been taken? How long has this been going on? Age of structure?


    What you are showing... is maybe nothing or an indication of something else... not sure.


  3. #3
    Join Date
    Feb 2008
    Location
    Caledon, Ontario
    Posts
    5,005

    Default Re: Efflorescence on foundation parging !

    If snow is piled up against the wall and then melts it could be the cause.


  4. #4
    Join Date
    Feb 2008
    Location
    Chicago IL
    Posts
    1,984

    Default Re: Efflorescence on foundation parging !

    Based on the pic, I'm going to assume that's a veneer brick wall. My guess is the water is coming from the top down and soaking into the top of the concrete. That doesn't look like water coming up. Start looking at gutters, downspouts, eaves or bigger drainage plane issues as culprits.

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