The basement pCi/L was 12.8. After installing a vent in the sump pump pit along with a RP140 fan, the basement pCi/L is now 0.5. Thanks to Val Riedman for the good advice.
I reached out to Val for assistance with our radon mitigation. We just built our home and found extremely high radon levels after we moved in. We installed
Six years ago, I had a radon problem and zero knowledge of the necessary mitigation steps. Val coached me through the process from soup to nuts. I ended
Since radon was prevalent in the area where I built my new house, I had the builder place a 3 PVC pipe into the perforated drainage pipe installed around