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klj 07-22-2009 04:55 PM

Wall repair in damp basement
I recently purchased my home from a flipper (big mistake!). The house was built in 1926. The exterior is brick and stucco. The basement is not finished but the walls have been coated with concrete to cover the ragged looking poured concrete foundation. Sadly, the flipper did not repair any of the cracks in the foundation or attempt to waterproof in any way. I just went downstairs and found very large, dry bubbles in concrete on the walls. I can poke my hole through them and can feel that the concrete wall behind is damp. The flipper covered the walls a little over a year ago. I have recently re-sloped everything around the house so water runs away from the foundation. We also have gutter extenders installed and we installed new glass block windows. So...what do I do? Do I chip off as much of the flippers handy-work as possible and then apply a waterproof primer? Do I simply re-apply concrete over the walls but actually do a good job? :) Should I be worrying about mold (the bathroom wall runs against the foundation wall)? In the disclosure, the flipper admitted that there had been water in the basement in the past. She claimed that the covering the walls with concrete fixed the problem. If it matters, our pipes sweat like you would not believe - lots of puddles under the pipes. I bought a dehumidifier a month ago and that has taken care of the pipe condensation and dampness in the basement. Any recommendations and product suggestions would be appreciated. Thank you! klj

Bud Cline 07-22-2009 05:01 PM

You can not sucessfully waterproof those walls from the inside. She's an idiot if she thought that's what she was doing.:)

Leftyho 07-22-2009 05:11 PM


You can not waterproof from the inside. Anything done on the inside is cosmetic. The water is already inside.

Draining the water away from the house is the best way. Give it some time and see if the walls stay dry.

ACB123 08-17-2009 04:12 PM

I agree with Lefty. The source is water coming INTO your home. You want to make sure that it is flowing away. Waterproofing is still a good idea but that's only half the solution.

Good luck,


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