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cracks in basement floor

20 years ago

We got about 9 inches of rain over the weekend, and our basement had some seepage through the floor. I hadn't noticed it before, but we have a Y-shaped hairline crack that is about 8 feet long from top to bottom in the middle of our basement floor. How can I repair this crack so that it will not leak water in the future? Since it is a hairline crack will something like Drylok work?

Thanks

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Comment (1)

philmont_2006
20 years ago
jal, Drylok will not work unless you make the crack wider. This happened to me in a house I used to own. I used a hammer drill and made the crack wider, at least a 1/2" wide. Then I filled the crack with drylok... it worked. Not a clean job though, try to keep the floor wet were your working, it keeps the concrete dust down. There might be an easier way to get the crack wider but this worked. Also, when your all done find out where outside the water is draining to the house and change the grade so it doesn't anymore.... course 9" is a lot of rain....
Thanks Dave
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