"Keiso - Ishikawa" is an earth-friendly plaster wall for the interior made of diatomaceous earth produced in Noto District of Ishikawa Prefecture (Noto diatomaceous earth) and other natural materials. Diatomaceous earth is clay made of dead plant planktons which have accumulated for many years. Diatom shell has a sponge-like structure with many microscopic air holes and it has excellent heat insulation and heat retention, fire resistance, soundproof, and moisture absorbency properties. Noto diatomaceous earth used in Keiso Ishikawa is the best of its kind without any odor or harming properties. Its aggregate is natural small pumice stones, sawdust and tile powder, and it can be colored with lime and natural earth color to meet your taste. Please express your originality in a wall with expertise and techniques of first-class plasterers