The cool roof rating council was created in 1998 to develop accurate and credible methods for evaluating and labeling the solar reflectance and thermal emittance radiative properties of roofing products and to disseminate the information to all interested parties.
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By lowering energy use cool roofs decrease the production of associated air pollution and greenhouse gas emissions.
A cool roof is a roofing system that delivers higher solar reflectance the ability to reflect the visible infrared and ultraviolet wavelengths of the sun reducing heat transfer to the building and higher thermal emittance the ability to radiate absorbed or non reflected solar energy than standard designed roofing products.
Cool roofs can reduce air temperatures inside.
Nearly any type of building can benefit from a cool roof but consider the climate and other factors before deciding.
As in golf the higher the rating the lower the.
This results in lower absorption of solar heat and a cooler roof.
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A cool roof is one that has been designed to reflect more sunlight and absorb less heat than a standard roof.
For a florida cool roof foam coatings specialist please call toll free at 877 354 foam or complete our online request form.
A cool roof transfers less heat to the building below so the building stays cooler and uses less energy for air conditioning.
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The average cooling energy reduction based on tests in a dozen homes converted to white roofs has averaged 19.
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Reduced air pollution and greenhouse gas emissions.
Cool roof rating council crrc website.
Roof temperature is rated via solar reflectance and thermal emittance with ratings ranging between 0 and 1.
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Whereas darker traditional roofing materials absorb sunlight the reflective surfaces of a cool roof reflect it away.
The cool roof rating council accepts test reports from approved testing laboratories and then compiles the information in an easily accessed database.
In florida building code 5th edition residential.
The cool roof rating council is a not for profit organization that validates the reflective and emissive properties of cool roof products.
Over the last five years fsec has conducted numerous experiments examining how altering residences to white roofs can reduce cooling energy needs.
Retrieved may 29 2015.
Construction or re roof o metal will have greatest reflectance longevity o chinese menu approach reflective roof radiant barrier more insulation interior ducts sealed attic with cool roofing o savings will be 20 25 for cooling with very reflective roof o 10 15 with moderately reflective tile roof with good venting.
Historically cool roofs have been either white.