Should There Be Cracks in My Poured-Concrete Foundation?
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Should There Be Cracks in My Poured-Concrete Foundation?

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    Should There Be Cracks in My Poured-Concrete Foundation?

    LESLIE: Now we’ve got Shirley in Nebraska on the line who has a foundation question. What’s going on at your money pit?

    SHIRLEY: I have a townhome and the dirt around my foundation, due to the drought, pulled away. I had somebody come in and grade it, fill it with dirt and some river rock on top of that. However, my basement is a poured-concrete basement, where they have the metal rods in different – in the sections? And I have some fine lines of cracks going down and maybe going out about 6 inches from those rods. Do I have to be concerned about that? Do I have to fill those in with something or do something? Paint over it or …?

    TOM: Generally, those are shrinkage cracks. Whenever you pour that much concrete, you get a fair amount of shrinkage cracking. And so if they’re fine lines like you’re describing, I wouldn’t worry too much about them, Shirley.

    SHIRLEY: OK.

    TOM: That’s considered fairly normal with a poured-concrete foundation which, by the way, is one of the most – is one of the stronger foundations that you could have.

    SHIRLEY: Mm-hmm. I just didn’t have all those before the dirt problem, so that’s why I was wondering about it.

    TOM: Yeah. And I would make sure that you maintain proper drainage around the house so that you’re restoring the dirt that shrunk away and that it’s always sloping away from the wall. Because that’s going to keep – that’s going to make sure you don’t make excessive moisture, because the other thing could happen: when it’s not dry out and you get very wet weather, the excessive moisture, that can have an adverse effect on a foundation. So just make sure you always maintain the proper slope on the outside and fill in those gaps as they occur.

    SHIRLEY: OK. Thank you so much.

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