Calcium Silicate Wallboard is a kind of high - quality building material. It is made from calcium - based and silicon - based materials, with the addition of reinforcing fibers. This wallboard possesses excellent properties such as fire resistance, heat insulation, sound insulation, high strength and good durability. It is widely used in various building applications, including interior partitions, exterior walls, fire - resistant walls and ceilings, providing reliable protection and a comfortable environment for buildings.