Definition of the term Perimeter Drain

3″ or 4″ perforated plastic pipe that goes around the perimeter (either inside or outside) of a foundation wall (before backfill) and collects and diverts ground water away from the foundation. Generally, it is “daylighted” into a sump pit inside the home, and a sump pump is sometimes inserted into the pit to discharge any accumulation of water.

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About the Home Inspector
Dan Joandrea

- I have been working in the home remodeling / construction industry for over 11 years. I have decided to open a home inspection company to help real estate home buyers to make an informed decision before making their biggest investment of their life. The home inspection is a very important step when purchasing a home.