Abstract
we have finished up humidity adjustment interior material each of the groundwork material and the table material with rendering materials so far. Therefore, about one week was required to construct the wall though it was the lowest. Humidity adjustment interior material that used a special wallpaper as the groundwork material this time, and generated the negative air ion moreover were executed and the following passage observation was executed for immediately after paint and one year. There was no big state variation, and abnormality was seen and an excellent result was obtained without for the generation of the negative air ion.
