Gypsum is mined and used for many purpose including making concrete, drywall and several other building materials. In 1965, USG sold the land above the old mines to the Ohio Department of ...

Gypsum may be an unfamiliar name to many but we are surrounded by it every day. It is a mineral used to make types of plaster which coat our homes, schools and offices - and in Cumbria sits the ...

“We did our own footings and walls. We took on flatwork projects and became licensed applicators of gypsum concrete underlayment. We poured Gypcrete apartment buildings and multi-family units ...

It operates through the following business segments: Cement, Concrete and Aggregates, Gypsum Wallboard, and Recycled Paperboard. The Cement segment deals with the manufacture, production ...