Abstract
It was examined whether the low stain technology by the hydrophilic paint surface that was mainly used for the purpose of lowering striped soiling due to rainfall on outer wall is applicable to prevention of solar reflectance degradation of high solar reflectance paint. As a result, the hydrophilic treatment of paint surface was effective to a certain degree for prevention of solar reflectance degradation. Moreover, the effect was not based on exposure angle, the brightness of paint, thermal barrier pigment.