For questions generally relating to the unwanted permeation of water or other liquid, indoor/outdoor air, or fuel gas through a barrier designed to contain it, including identification, repair, and prevention techniques, tools and materials.

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How do I build a basement that does not leak when I have a high water level?

How do I insure a basement will not leak when the site has a high water level?
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5answers
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How can I paint over a ceiling after there's been a leak?

We had a leak in our upstairs bathroom, about 2 weeks after we had a new ceiling put up and painted in the room below. It wasn't a major leak, but it caused quite a wide line to show up on the ...