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paulmaine
Member

Registered: 01/09/13
Posts: 59
Loc: Camden, Maine
Basement Leak at Base of Foundation
      #6386551 - 05/25/13 09:46 PM

The basement foundation developed a leak at the floor- six feet below ground. Poured foundation 15 years old. One weeks rain here-really wet. The water is coming out in a slow leak perhaps several quarts an hour. This is also at a point where a small crack from the corner of the cellar window leads down to the floor;first leak issue. Will a special hydraulic cement fix this or?
Thanks,
Paul

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Paul from the beautiful mid-coast of Maine (USA)


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theeviltwinn
No Action Here but not for lack of trying

Registered: 08/08/01
Posts: 10881
Loc: Royersford Pa
Re: Basement Leak at Base of Foundation new [Re: paulmaine]
      #6386558 - 05/25/13 09:57 PM

It might work. It might not. It isn't the proper way to fix it but it is an easy and inexpensive thing to try.

You say the leak just started. Has the grading around the house changed? Getting water away from the house is better than trying to stop it once it is there.

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Will post for food.


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Lynden
Member

Registered: 03/26/08
Posts: 652
Loc: So. California
Re: Basement Leak at Base of Foundation new [Re: paulmaine]
      #6386586 - 05/25/13 11:26 PM

One wall of my garage is a retaining wall, and I have the same problem when it rains a lot in the span of a few days. I used Thoro Waterplug in the wall cracks, but I haven't been able to completely stop the leak where the slab meets the wall.

http://www.thoroproducts.com/pdf_info/waterplug_sellSheet.pdf


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MichaelMouse
Member

Registered: 05/17/05
Posts: 10923
Re: Basement Leak at Base of Foundation new [Re: theeviltwinn]
      #6386625 - 05/26/13 05:18 AM

theeviltwinn said:


It might work. It might not. It isn't the proper way to fix it but it is an easy and inexpensive thing to try.

You say the leak just started. Has the grading around the house changed? Getting water away from the house is better than trying to stop it once it is there.




That's the way to start, cheapest to most expensive method. Spring runoff and spring rain have raised the water table, so waiting for dry and pumping the repair into the crack has good potential.

A simple homeowner project to escalate to a sump insert and pump, but something I'd rather avoid.

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Better to follow the leader than the pack. Less to step in.


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paulmaine
Member

Registered: 01/09/13
Posts: 59
Loc: Camden, Maine
Re: Basement Leak at Base of Foundation new [Re: paulmaine]
      #6386639 - 05/26/13 06:44 AM

The grading has not changed-It just rained and rained for a week. It measured three gallons overnight-may have slowed.
Thanks-

--------------------
Paul from the beautiful mid-coast of Maine (USA)


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paulmaine
Member

Registered: 01/09/13
Posts: 59
Loc: Camden, Maine
Re: Basement Leak at Base of Foundation new [Re: paulmaine]
      #6386899 - 05/26/13 11:28 AM

I put Drylock Fastplug hydraulic cement in the crack after an easy preparation: mix 1 part water to 3 parts powder-apply within about 3 minutes. Do an easy chisel out on the crack as prep.Works like a miracle. I added a black 4 inch flexible extension pipe to the drainpipe. May put black plastic near the house to aid in water runoff. Hope this works long term.

--------------------
Paul from the beautiful mid-coast of Maine (USA)


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mike4244
Member

Registered: 01/07/05
Posts: 2732
Loc: mays landing nj
Re: Basement Leak at Base of Foundation new [Re: paulmaine]
      #6387501 - 05/26/13 11:52 PM

Not unusual to get a small leak after a week of rain. The hydryaulic cement will probably work.You might want to widen the crack before filling it. If the crack is narrow,less than 1/8" and you want to try filling the crack without widening it, make the mix thin and push it in with a putty knife. Stay with it for 10 minutes because you may have to keep pushing a thin mix back in the crack. A thick mix will only fill the top 1/4" at most.After 10 minutes the mix will be partly set.
mike


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