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Old 06-14-2012, 12:39 PM   #1
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Crack in foundation

I purchased a home about ~8 months ago and had noticed a little bit of water on an unfinished basement wall (underneath the stairs). Yesterday while caulking a door, I noticed a fairly large crack in the homes foundation. Image: Is this something I should try to fix myself? I guess my big worry is how far up and down it stretches. I'm planning to dig a little bit to see how far down goes, but I have no way of know how far up.

I found this video: that uses a concrete filler for fixing a crack. Would I be ok doing the same?


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Old 06-14-2012, 01:25 PM   #2
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He's pulling the caulk gun the wrong way. It drags the bead out of the crack. He should be pushing into the nozzle.


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Old 06-14-2012, 01:26 PM   #3
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I can't bring up your photo... In the mean time, view page 5 of my basement project. I had a crack in my foundation and i patched it with hydraulic cement and blue max... Time will tell if it works for me.
Basement Demo started Jan 2012: View my basement progression!!!

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Old 06-14-2012, 01:29 PM   #4
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He didn't squeeze anywhere near enough caulk into the crack. He just barely put some on the surface and then he left gaps.

For your crack I think I would dig down as far as you can from the outside. Clean the wall and then install a flexible membrane type material over the area to seal the crack. There are many different brands that all have different installation procedures. It just needs to be flexible so it doesn't crack open again if the wall moves a bit.

Last edited by joed; 06-14-2012 at 01:32 PM.
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Old 06-14-2012, 01:37 PM   #5
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Awesome, thanks for the replies! I think I'll go ahead and tackle this myself.
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Old 06-14-2012, 02:43 PM   #6
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Hydraulic cement will fix it in a jiffy.


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crack in foundation , leak in basement

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