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Thread: Sum pit liner

  1. #1

    Default Sum pit liner

    I plan on enlarging the sump pit (currently a 12" x 20" hole in the floor) in my basement and install a plastic pit liner. Outside of holes for the foundation drains, do I need to drill any additional small holes into the liner (say, at the bottom to let any excess water absorb into the dirt) prior to installation?

  2. #2

    Default

    Generally the answer is yes. Some additional small holes towards the bottom half have a slight impact to lowering the water table, but also serve to help keep the croc/liner in place by relieving hydrostatic pressure.

  3. #3

    Default

    Thanks for your reply. I will definitely drill extra holes prior to installing.

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