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basement patch crumbling

Posted by hayley1999_99 (My Page) on
Fri, Oct 30, 09 at 0:55

I recently bought a house and went down to bleach the walls in the basement. It smelled damp down there with no visible water. I took a light weight sprayer to the walls and could hear the patch they used crumbling to the floor. It appears to be sandy in nature and comes off kind of easily.

I want to fix this 'patching' they did and waterproof my 100 yr old ROCK basement. What are the best products to use for this? Remember its a rock basement.

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RE: basement patch crumbling

Waterproofing from the inside almost never works. It traps moisture within the wall where it may cause serious damage to the foundation, especially if it should freeze. Rock foundations were often designed to allow water through where it was then directed to a cellar drain.

The best things you can do are make sure the grading slopes away from the foundation, gutters (if present) are clear and downspouts send water away. Having a bone dry cellar with a stone foundation is probably not possible. The fact that you saw no standng water is a good sign.

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