A rigid board made of layers of fiberboard or paper bonded to a gypsum plaster core,used instead of plaster or wood panels in construction to form walls.

• 石膏灰泥板，灰胶纸柏板由石膏灰泥作芯板结合几层纤维板或纸浆板制成的硬板，在建筑中用于代替灰泥或木板来建造墙壁。