Basements

Get advice on keeping your basement dry, maintained, and mold-free, plus ideas for renovating your space.

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How To & DIY
Ideas & Inspiration
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These This Old House videos showcase all of our basement projects, how-tos, and designs.

S23 E7: Richard Trethewey installs a sump pump
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How to Install a Sump Pump

A homeowner’s basement had water issues. This Old House plumbing and heating expert Richard Trethewey helped solve the problem, installing a sump pump in the corner to keep the basement dry.

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