Answer
Nov 10, 2019 - 12:53 PM
For below grade applications, the manufacturer recommends applications of 15 mil in 5mil +- increments to achieve 60 mils wet, 30 mils fully cured. While this product will stop moisture, it has not been tested for radon and is not guaranteed to control it. Having said that, anything that blocks moisture vapor will certainly help. We just can't say how much. If you have a radon issue, it's always best to consult experts in that field.
