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Posted by Ether Jones on September 4, 2006, 4:52 pm
smanilov@gmail.com wrote:
> I have a hairline crack in the upper part of basement wall above the
> ground. It extends above and a little below the basement window. It
> looks like it was repaired in the past from inside with some yellowish
> substance, but that substance dried out and cracked. The crack is
> visible from the inside and outside.
>
> Now when we have strong wind driven rain the water is seeping through
> that crack and then down the window and the wall on the inside.
>
> I would like to repair the crack from the inside and from the outside.
>
>
> 1) What can I use to fix it from outside that is waterproof? The
> exterior is grey painted concrete in that place. The fix has to be
> liquid enough to penetrate the crack and seal it against the rain.
>
> 2) What can I use to fix the crack from the inside? The color does not
> matter since it is behind the walls of finished basement.
>
> Thanks!
You can hire a guy for a couple hundred bucks to do it right. He will
drill a series of small holes deep into the crack, thread a temporary
fitting into each hole, and force epoxy sealant in there under high
pressure.
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