A silent killer is lurking in homes across America—the invisible invader known as radon. You can’t see, taste, or smell radon, but you are likely breathing it in every day, and it may be compromising ...

The placement of a water vapor retarder directly below concrete floor slabs on the ground has become common practice for buildings where floor coverings or coatings are to be installed. Such use has ...

What is radon?: Radon gas is the product of the radioactive decay of uranium, which occurs naturally in soil. Colorless and odorless, the radioactive gas creeps up through the ground through cracks ...