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An active radon fan helps pull radon out of the home’s basement.
Tape seals gaps between the vapor barrier and pipes that penetrate through the subslab vapor barrier.
The sump pump is sealed to the subslab vapor barrier with sealing tape to prevent soil gas from leaking around the sump bucket.
The sump pumps in this basement are covered with gasketed lids to keep soil gases out of the home.
Wrong - Radon fan installed in the basement