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Abstract
Past simulation and test cell studies have shown potential reduction to building cooling loads from higher exterior surface solar reflectances. Furthermore, simulation analysis of macro-climatic effects have shown that light colored surfaces may reduce the magnitude of the urban heat island. This report adds to the body of knowledge on the measured reflectance of roofing systems. Spectral reflectance properties were measured in the laboratory on 37 samples of differing roofing materials. A total 21 of these were performed recently, the other 16 were performed last summer. Identical test procedures were used for all samples.
Past simulation and test cell studies have shown potential reduction to building cooling loads from higher exterior surface solar reflectances. Furthermore, simulation analysis of macro-climatic effects have shown that light colored surfaces may reduce the magnitude of the urban heat island. This report adds to the body of knowledge on the measured reflectance of roofing systems. Spectral reflectance properties were measured in the laboratory on 37 samples of differing roofing materials. A total 21 of these were performed recently, the other 16 were performed last summer. Identical test procedures were used for all samples.
Date
8/1993
8/1993
Author(s)
D Parker; J McIlvaine; S Barkaszi; D Beal
D Parker; J McIlvaine; S Barkaszi; D Beal
Page(s)
Source
Florida Solar Energy Center
Florida Solar Energy Center
Keyword(s)
reflectance property; asphalt shingle; coatings; painted shingles white metal roofing; concrete & cement tile; roofing membranes
reflectance property; asphalt shingle; coatings; painted shingles white metal roofing; concrete & cement tile; roofing membranes