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  1. #1

    Default Sealing a large basement crack.

    HI there. I know that this is a reaccuring question but i would appreciate some help with my basement problem.
    I have found a river flowing from under my drywall and removed it to find a massive crack, well not much of a crack but disintegrating concrete...there are crack leading off this one in the picture. someone in all there wisdom tried filling the cracks with expanding window foam?
    How would i go about sealing these up...i could fill it with hydraulic cement, but would that just stop it right at the surface?
    how would i fill the smaller cracks?
    hope you guys can help me out here.
    cheers
    Bryan
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  2. #2
    Join Date
    May 2008
    Posts
    69

    Default Re: Sealing a large basement crack.

    Bryan,
    Obviously, you'll first need to remove all of the expanding foam that was put in there. Next step is to chip out, in a "V" each crack. Fill with hydraulic and when dry, I recommend coating with at least 2 coats of Dryloc. This method worked for us. It's also a good idea to make sure any runoff from gutters, etc. is directed away from the foundation of the home. We left the areas in question open for a good month through lots of rain to make sure they were sealed before we re-hung drywall. Good luck!

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