Old Courthouse radon mitigation nearly complete; officials encourage testing by homeowners
Radon mitigation work is nearly complete at the Old Courthouse after the naturally occurring gas was discovered at actionable ...
Yahoo News9d
Old Courthouse radon mitigation nearly complete; officials encourage testing by homeowners
The material used for this was the Viper CS 16-mil vapor barrier which is made of high-density fibers. Commissioners also opted to have Popham install soil gas mat materials, a semi-permeable hard ...