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Needing opinions on basement wall repair...please!

Posted by Kelley on February 25th, 2003 01:27 PM
In reply to leaks? by ron on August 13th, 1999 01:44 PM [Go to top of thread]

We have a home that was built in late 1930's and we are noticing very small cracks appearing horizontally half-way down the walls of part of our basement. It was constructed with concrete forms and not blocks, and one side of the basement has a plaster finish over the concrete wall. So the cracks we can see are what have appeared through the plaster. We've had no flooding or water through the floor in the two years we've owned the house, but we did have signs of moisture (e.g. very small amounts of mold/mildew) that appeared over the cracks last spring and that is how we realized the horizontal cracks. The mildew was professionally and successfully cleaned, new and larger gutters and downspouts were installed, the entire lot was regraded to drain away from the foundation, and french drains were installed to carry water away from the back yard. We tried to remove any source for potential problems in the future. We are now looking at how to repair those cracks. We've interviewed multiple contractors and the consensus seems to be that the cracks are a result of a pour line installation defect (a "cold pour" in that the foundation was poured in two sections)as these cracks appear at exactly the level of the pour line. One repair option is to widen the cracks to 1/8" and fill with UGL Drylock Fast Plug and then paint the walls with UGL Latex Waterproofing paint. In your opinion, is this a good idea? Installing exterior drain tile is prohibitively expensive because of the design of our house, attached porches, and our lot. Does it make sense to widen very small cracks to 1/8", will it sacrifice structural integrity, or will it result in bigger problems than what currently exists? HELP! We want to do something before the spring rains come!

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