What Is Gypsum Plaster With Pictures Wisegeek
jan 20, 2021 also known as plaster-of-paris, gypsum plaster is a building material that features similar properties to mortar or cement. It is created by heating gypsum, a soft, naturally-occurring mineral, to roughly 300 degrees fahrenheit and then mixing it with water.veneer plaster gypsum base, or blue board, is a gypsum board substrate specifically designed to support the gypsum veneer plaster. gypsum base is usually feet wide and available in foot, foot, and foot lengths. other lengths are available by special order. standard base thicknesses are -inch, -inch, and -inch.