“三化一改”是实现建筑工业化的有效途径,其中墙体改革一项,具有重要意义。住宅建筑的内隔墙数量大、规格多,墙体粉刷湿作业多、体力重、工效低。采用预制石膏板现场安装住宅内墙,代替砌墙和粉刷抹灰,国外已很普遍,且石膏板的生产发展很快。如美国用它作住宅的内装修已达40％,国内 “Three changes and one change” is an effective way to realize the industrialization of the building. One of the reforms of the wall is of great significance. Residential buildings have a large number of internal partitions, many specifications, and many stucco walls are wet, heavy, and low in work efficiency. The use of prefabricated gypsum board to install residential house walls on site, instead of building walls and painting and plastering, has become widespread abroad, and the production of gypsum board has developed rapidly. Such as the United States used it as a home interior decoration has reached 40%, domestic