Color properties of interior finishing materials on the wooden schools in Noshiro, Akita were surveyed. Colorimeter was used for the measurement of material surface color and color values L*,a*,b* of interior finishing of 7 wooden schools were cleared. According to the results of the survey, it was found that the value L* of walls becomes low and a* , b* becomes high with the duration of building use.
The value L* of floor was low with surface deterioration in long period of building use.
