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Energy Star Roofing Products
April 28th, 2008 — Uncategorized
Products bearing the Energy Star seal must meet a minimum initial and aged solar reflectance value. Emissivity is not currently a requirement for Energy Star qualification. The EPA is entertaining the idea of of adding an emissivity component to the Energy Star specification at some future date.
Currently Energy Star qualifications for low slope roofs must have an initial solar reflectance of at least 0.65. After 3 years, the solar reflectance must be no less than 0.50. Steep slope roofs must 0.25 and 0.15, respectively. Both are set quite low, once you look at it.
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