Exterior wall system of light steel house : The exterior wall of the light steel house mainly composed of wall frame column, top beam of the wall, bottom of the wall beam, wall support, wall panel and a connecting piece Light steel villa general will cross wall as bearing wall structure, wall columns for C shaped steel, the wall thickness according to by the load , usually 0.84~2mm,wall and column spacing generally for 400 ~ 600 mm,the wall layout of this light steel villa , effectively inherit and reliable transfer of vertical load, and the arrangement is convenient.