... nateral material,sound insulation,light-weight, high-strength, no shrinkage common gypsum boardIt uses gypsum as the main material, adding fiber ... construction. It is widely used in ceiling, walls, interior walls, plywood . Nontoxic,nonradoactive,nonpulluting,are leading characteristics of our products,the ... L/C.Packing: Two pieces glued together, packed by hand. common paperfaced gypsum board