Q. My house was built in 1973 and has about six inches of granular insulation that I think is vermiculite between floor joists. I am thinking of adding a radiant barrier to the attic, or should I beef ...

If a grayish, pebble-like substance lurks silently in the attic of an older home, ignorance on the part of the owner will not work out to be bliss. In some homes built between 1919 and 1990, ...

Types of Asbestos Insulation and How to Get It Tested Asbestos used to be a popular choice for home insulation due to its ...

Most people know vermiculite as that foam-like mineral that gets mixed into potting soil or poured into attic spaces as lightweight insulating pebbles. Last week, the Environmental Protection Agency ...