This document summarizes the use of gypsum board for interior finishes. It discusses that gypsum board consists of a noncombustible gypsum core with paper facing. Gypsum board is used for partitions, walls, ceilings and floors due to its ease of installation, fire resistance, sound isolation, durability and versatility. It describes the different types of gypsum board including standard, channel, and ceiling boards. The document outlines the tools used to cut, shape and install gypsum board and the procedures for application.