What Does a Drywall Installer do? Drywall is made of gypsum plaster panels sandwiched between heavy paper. They are also known as gypsum boards, sheetrock, plasterboard, and wallboard. Drywall has changed the way walls and ceilings are covered. The job takes a fraction of the time compared to the traditional way that lathers and plasterers … How to Choose the Best Drywall Installers in Utah