S singelhit #1 Member · 34 posts 12 Dec 2005 at 2:36 PM singelhit Member 34 posts 12 Dec 2005 at 2:36 PM #1 Hello.... Has anyone tested permafoil besides those used as references on the permafoil website? What is your result? How much has the radon level decreased? Johnny
Hello.... Has anyone tested permafoil besides those used as references on the permafoil website? What is your result? How much has the radon level decreased? Johnny