Leaking rod holes in poured basement walls

plumbmanAugust 2, 2011

I have poured concrete basement walls and several of the tie rod holes are leaking.

I was wondering what is the best method of repairing this problem. So far I've heard of using plain hydraulic cement, and also water activated polyurethane.

Any suggestions would be appreciated !

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There are a number of polymer modified fillers that can be used. These are the same materials that are used for concrete crack injection. (See link for example.) There are also swell plugs, a though I don't have experience with these.

In the old days, the formers used cork covered with asphalt. They worked fine too.

Look for a local concrete supply company for the most appropriate products, not the big boxes.

Here is a link that might be useful: Crack Injection

    Bookmark   August 2, 2011 at 6:51PM
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A commercial roofing supply company probably would have the materials you need. NP1 by Sonolastic would be good. Best if applied on the outside.

    Bookmark   August 6, 2011 at 6:22PM
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