What is vermiculate insulation and where does it come from?
Vermiculate is a naturally occurring mineral that is mined throughout the world. In the United States, active vermiculate mining operations are in South Carolina and Virginia. When heated, the vermiculate ore expands into a light, fluffy material, that is fire resistant, chemically inert, absorbent, light weight and odorless. The absorbent properties of the expanded vermiculate make it useful in lawn and garden, agricultural, and horticultural products. It is commonly used as an ingredient in potting soil, thermal and sound insulation, construction material, insulation material and for lightweight, absorbent packaging material.
