Research on Application of the Low Stain Technology to High Solar Reflectance Paint

Part 2

Abstract

This paper describes the effect of self-cleaning cool roof paint wihich was coated on the roof of real building. This study clarified the following results. (1) The solar reflectance became diminished because of stain 2 months after the painting. (2) The decrease in the solar reflectance and L value of self-cleaning type was smaller than the conventional type. (3) The surface temperature of self cleaning type was lower than the one of conventional type. (4) According to the thermal load caluculation, it is predicted that the electrical consumption decrease by using self-cleaning cool roof paint.