Preventive Measures: New Construction

 

Methods to minimize pathways for soil gas

 

 

Apply a layer of gas-permeable material under the foundation with plastic sheeting above it

Seal and caulk all openings in the concrete foundation floor

Seal the sump pump at the top

Parge or seal exterior block walls 

Use a water-resistant coating on interior surfaces

 
 

Click Here to see the figure on radon-resistant construction.

 

 
   

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