Gypsum board, also known as drywall, is a technical material name used by manufacturers for a specific type of board with a gypsum core and a paper facing. Gypsum board is the leading building material for ceiling, wall and partition systems in commercial, residential and institutional structures.British Gypsum: The UK's Top Manufacturer of Interior .British Gypsum uses cookies to deliver superior functionality and to enhance your experience of our websites. Information about our cookie policy can be found here.Continued use of this site indicates that you accept this policy. 