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Problem: Roofs receive the most intense solar heat load among all building envelope surfaces in Equatorial-region. Solar heat gain through roof contributes to a significant portion of building heat load. In tropics where building cooling is needed all-year-round, passive methods to reduce heat gain through...
Purpose / Context - Cool coating is a passive technique for reducing the solar heat gain and cooling energy consumption of buildings. However the radiation properties (i.e., solar reflectance and thermal emittance) of cool coating would be changed, usually adversely, during its ageing process, and...