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How to repair a leak in cement wall where the main water line comes through?

In my basement we have a leak coming through the wall where the main water line comes in the house, it is not the pipe itself, it is from the ground outside being wet from all the rain and coming through. We tried quick cement but because of it still leaking and just ran right back down. When we got the water line through we had to put a whole in the wall with a sludge hammer in order to get the pipe in, and its is leaking in that whole right around the pipe!

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Posted 2013-04-22T18:49:38+0000  by manslayer1084 manslayer1084




You need to use "hydraulic cement". This product is meant to seal cement in even a wet environment. It sets very fast and expands as it sets, helping to seal water leaks.


Hope this has helped.

Posted 2013-04-22T19:12:32+0000  by ordjen

Did you try using thewater stop Hydraulic Cement?

 hydraulic cemrnt.jpg

Trick is to mix it with a minimal amount of water to where you can make a thick batch size of the golf ball. You will only have 2 -3 minutes to mix it ...once you get it shaped pack it around the pipe. You may want to find something flat that will allow you to pack it in around the pipe.


Hope this helps, 







Posted 2013-04-22T19:31:54+0000  by George_HD_CHI

Thank you so much, I will try that!

Posted 2013-04-22T20:43:59+0000  by manslayer1084

Thanks for the help!

Posted 2013-04-22T20:44:35+0000  by manslayer1084

That is actually what they bought, but when they tried it, they were doing a thin base, instead of a thick base.

Posted 2013-04-22T21:17:32+0000  by manslayer1084
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