... freeze , water-resist, fiber-proof, damp-proof, sound-absorption, no distortion and no radiation . etc.Features:Length: 2440mm or 595mm or 600mm ... exterior wall system . Also can be used for Commerical and industrial construction, residential building, movie theaters, exhibtion halls, restaurants, hotels, ... our quality before you order ! Reinforced calcium silicate board Shengshidongfang Co.LTD