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Tips & Techniques

Spotting foundation leaks

Issue 86

Use a flashlight at night to find leaks in foundations, sills or flashing. Have your helper get into the crawlspace or foundation, and shine a powerful light along the intersection between the foundation and the framing. Now go outside and look for any telltale shafts of light. This works best when it’s really dark.

Dave Kohler, Clarks Summit, PA

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