Unpainted Galvalume Metal Roofing Energy Star Requirements
Roofing contributes to the cooling of a building, based on its ability to deflect the sun's rays. Unpainted Galvalume metal roofing offers a practical solution for reflecting solar rays, and it's approved under Energy Star requirements.
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Identification
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Galvalume produces aluminum-zinc alloy mixtures of sheet metal. Unpainted Galvalume metal roofing is actually coated in a transparent acrylic for protection of the underlying metal.
Significance
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The Environmental Protection Agency, or EPA, encourages high roofing reflectivity through the Energy Star requirements. These requirements enforce energy efficiency standards. In order to qualify for Energy Star approval as a low slope roof product, the product must have an initial reflectance of 0.65 or higher; to qualify as a steep slope roof product, the product must have an initial reflectance of 0.25 or higher. Unpainted Galvalume roofing qualifies for both low and steep slope roofing Energy Star requirements.
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Considerations
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Unpainted Galvalume is is not eligible for the IRS home owner energy credit, states Sentrigard, a manufacturer of roofing systems. The material must be painted to qualify for the credit.
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