Gypsum Board, also known as fiber Gypsum Board or fiber cement siding, is a building material made of sand, cement and cellulose fibers. It is a rigid panel resembling hardboard or plywood in appearance but with stronger physical properties. Gypsum Board is physically very durable, fire resistant and moisture resistant which makes it suitable for a variety of interior and exterior app... https://fortunetelleroracle.com/news/gypsum-board--exploring-the-versatility-of-a-modern-building-material-a-fresh-perspective-950295