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  1. #1
    Join Date
    Jun 2007
    Posts
    74

    Default What caulk to use for basement floor/wall

    We recently moved into a 42-year-old house with a full basement, concrete block walls on a poured slab. There is a gap, about 1/8" or less, between the wall and the slab. We had a general contractor out here doing some other stuff, and I asked him if I could caulk that crack to help keep out moisture. He said yeah, that might be a good idea, but I didn't think to ask what kind of caulk. Now I'm ready to do it, so... Is there some kind that would be better than "plain old" caulk?
    thanks for any suggestions.

  2. #2
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    5,084

    Default Re: What caulk to use for basement floor/wall

    I believe you can get concrete crack caulking and filler. It's gray and very elastic. It fills in gaps too.

    Read the label for instructions and uses, clean the gap as best as you can, then apply it with your caulking gun.

  3. #3
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,360

    Default Re: What caulk to use for basement floor/wall

    Yes, use the caulk made specifically for concrete crack filling. Vacuum out the crack well. caulk doesn't like to stick to dust too well.

  4. #4
    Join Date
    Jun 2007
    Posts
    74

    Default Re: What caulk to use for basement floor/wall

    Okay, thanks guys.

  5. #5
    Join Date
    Jan 2010
    Location
    Northern Virginia
    Posts
    975

    Default Re: What caulk to use for basement floor/wall

    If water is seeping from that joint, you have a problem that caulk isn't going to remedy.
    Casey
    Remove not the ancient landmark, which your fathers have set.

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