Vermiculite insulation is no longer used in new construction, but an estimated one million homes in the U.S. still have it, according to the USGS. Vermiculite is a naturally occurring mineral that is perfectly safe when pure.

Is vermiculite banned?

Vermiculite insulation is no longer used in new construction, but an estimated one million homes in the U.S. still have it, according to the USGS. Vermiculite is a naturally occurring mineral that is perfectly safe when pure.

Is vermiculite a gold?

Identifying Insulation That is Made From Vermiculite Look at the photos on this website and then look at the insulation without disturbing it. Vermiculite insulation is a pebble-like, pour-in product and is usually gray-brown or silver-gold in color. The following photographs show typical vermiculite insulation.