One of the toughest fractions of construction and demolition (C&D) debris to market is gypsum board. Traditionally, wallboard has simply been sent to the landfill and the C&D contractor passes the ...

Composed mainly of calcium sulfate dihydrate, gypsum is a naturally occurring mineral used in cement, drywall, plaster and other building materials. Scientists have now devised a method of creating ...

Canadian exploration and mining company EDM Resources has signed a definitive gypsum offtake supply agreement valued at $58m (C$79.39m) with a Canadian gypsum producer and wallboard manufacturer for ...

It’s rare to see items labeled “Made in USA” — but several indispensable products are made right here in Colorado. A subset of these have ingredients that come from in-state, rather than being ...