2.0401.1 Soil-Gas Retarder
Desired Outcome
Reduce potential for radon to enter living space through exposed soil in subspaces
2.0401.2 Sump Well/Pit Covers
Desired Outcome
Reduce potential for radon to enter the living space through sump wells/pits while ensuring continued drainage
2.0401.3 Drain Fittings
Desired Outcome
Reduce potential for radon to enter the living space through foundation drain penetrations.