Blue coating material can help reduce heat on roofs

02/21/2013 | FastCoExist

Cool roofs don't have to be white. Researchers are at work discovering new pigments with "cooling" capacities, according to this article. A case in point is the brilliant blue coating from Oregon State University researcher Mas Subramanian, which was made from manganese cooked with a combination of yttrium and indium oxides. "Given the right chemical properties, even dark pigments ... turn away much of the sun's heat," writes Michael Coren.

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