Gypsum Board

Gypsum board is the generic name for a family of panel products that consist of a noncombustible core, composed primarily of gypsum, and a paper surfacing on the face, back and long edges. Gypsum board is one of several building materials covered by the umbrella term “gypsum panel products.” All gypsum panel products contain gypsum cores; however, they can be faced with a variety of different materials, including paper and fiberglass mats.

Gypsum board is often called drywall, wallboard, or plasterboard. It differs from other panel-type building products, such as plywood, hardboard, and fiberboard, because of its noncombustible core and paper facers. When joints and fastener heads are covered with a joint compound system, gypsum wall board creates a continuous surface suitable for most types of interior decoration.

Gypsum board can be applied over wood or metal framing or furring. It can be applied to masonry and concrete surfaces, either directly or to wood or metal furring strips. When applying board directly to masonry or concrete surfaces, smooth or fill in any irregularities to ensure proper attachment and an acceptable final finished surface. Furring properly attached to interior sides of exterior walls provides flat surfaces for standard fastener application as well and sufficient separation from substrates to overcome dampness in exterior walls.

Gypsum board walls and ceilings have a number of outstanding advantages:

  • Ease of installation
  • Fire resistance
  • Sound isolation
  • Durability
  • Economy
  • Versatility

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