Submitted by m0arpepper t3_10phiqr in rva
m0arpepper OP t1_j6mwblf wrote
Reply to comment by systematical in Radon Mitigation by m0arpepper
The door thresholds and seals around the door, expanding foam around the electrical boxes in the ceiling to attic (light fixtures, exhaust fan), areas between floor joists on the exterior wall, anywhere there was something ran through exterior wall like dryer vent, wires, conduit.
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