Where Is National Gypsum Made? Subsidiary National Gypsum (Canada) Ltd. operates the largest open-pit gypsum mine in the world in Milford Station Nova Scotia. Who owns National Gypsum Company? #514 Clemmie Spangler, Jr. Clemmie Spangler is the sole owner of National Gypsum, the largest private wallboard producer in the U.S., with more than $2 billion
Is There A Difference Between Drywall And Gypsum? The difference between gypsum and drywall is that gypsum is a naturally occurring natural mineral used for construction work. At the same time, drywall is a manufactured product with gypsum as one of its raw materials. … It is also known as wallboard and is generally made
What Are The Walls In My House Made Of? Two of the most common forms of interior wall materials are plaster and drywall. Plaster has been used since ancient times. The earliest plaster was usually made of lime, sand, animal hair and water [source: MacDonald]. … By the 1950s, drywall had surged in popularity as