Calcium silicate board is a kind of siliceous materials, calcium materials, fiber materials, additives, etc. according to a certain proportion, according to modern technology made of a new type of inorganic building materials, in addition to the function of traditional gypsum board, but also has superior fire performance and moisture resistance, long service life advantages. With fire insulation, waterproof and moisture-proof, heat insulation, excellent stability, long service life and other properties.