Rockwool spent $160 million to open its first U.S. production facility. That Memphis-area plant is now about to expand in a ...

Hydroponic gardeners already have materials that support plant growth. The most popular is Rockwool, a spun fiber widely used as insulation that’s made of limestone and diabase, a type of ...

The Rockwool board of directors has approved a $100+ million investment in a new production line in Mississippi for ...