Home improvement ideas: 100 easy ways to add value to your house Home

If two tests give a high reading, consult a radon mitigation contractor . These contractors can professionally test the house and install a mitigation system for reducing radon to a harmless level. The most effective system is a vent pipe placed in the sump pit or a hole made under your concrete floor slab. The vent runs up through the house and out the roof, or out the side of the house and up to the eaves. A special in-line fan for radon is placed in the …