Abstract
The foundation experiment to do the development of the anti-mold outer wall material was done. Most of the anti-mold material used TiO2 and Ag. But, TiO2 takes time, and there is a problem that a cost is high in Ag. An experiment was made to find substitute material. So, Garnet and Hydroxy-apatite were chosen, and it was examined. The experiment mixed with the experiment of spraying the surface of the agar culture area with the sample during the agar culture area was done. The experiment of spraying the surface of the agar culture area with the sample was ineffective. But, there was high effect in the experiment mixed during the agar culture area.
