and NRPP (National Radon Proficiency Program) credentials.

The contractor arrived on a Tuesday morning. He drilled a small "suction pit" under the slab, ran the piping up through a closet, and installed a specialized in the attic to vent the air safely above the roofline. By 4:00 PM, a small U-tube manometer was mounted on the basement wall—a simple gauge showing the system was under active vacuum. The Peace of Mind

from neighbors who had similar basement layouts.