The surface of the gypsum board which is locked as joint treatment of the gypsum board or the coating material for foundation paint and

摘要

PROBLEM TO BE SOLVED: To provide a plaster board coating material containing shirasu that is suitable when used as an agent to treat plaster board joints or as a material to plaster board surface finish or ground coating, and generates no VOC, as well as a building interior finish work method using this coating material.;SOLUTION: This invention provides a plaster board coating material characterized in that it comprises shirasu (white sand), plaster, vegetable starch paste, a viscosity adjustment agent and an appropriate amount of water mixed together, and it has substantially the same water absorption rate as a plaster board, besides a building interior finish method using this plaster board coating material.;COPYRIGHT: (C)2008,JPO&INPIT