Retrofit your existing roof so that it is more reflective.
Cool roof on shingles.
In many cases asphalt roofing shingle manufacturers use a shingle s third party certified aged sri value to demonstrate compliance with cool roof energy codes.
A cool roof reflects the sun s energy reducing rooftop temperatures.
In terms of cool roof installation there are a few ways to go about installing a new cool roof on your home.
In california where many low rise residential homes are subject to the requirements of title 24 cool roof shingles have become a major trend in residential roofing.
Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.
Solar reflectance thermal emittance and solar reflectance index sri.
Cool asphalt roofing shingles are characterized by 3 key values.
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.
Historically cool roofs have been either white.
Cool roofing can lower a roof s surface temperature by 50 to 60 degrees according to the epa which can save you a boatload on cooling.
Another factor is whether you opt to use standard roofing materials in light colors or install solar reflective shingles.
Replace your roof entirely with cool roof shingles.
This practice is prevalent in california.
During the scorching summer months your roof temperature can easily exceed 150 degrees f.
Average costs for a cool roof determining cost depends largely on the slope of your roof though many homeowners prefer to not paint a steeply sloped roof white for aesthetic reasons.
While a sunlight absorbing black roof can reach up to 190 f in the summer a reflective roof s temperature can be as much as 60 f lower reducing heat flow through the roof system.
These asphalt shingles are manufactured with colored granules that contain special pigments that reflect ir light.
A cool roof is one that has been designed to reflect more sunlight and absorb less heat than a standard roof.
Owens corning cool roof collection shingles are specially designed to reflect the sun s energy and absorb less heat than standard shingles without limiting your color options.
Re cover your existing roof with cool roof products.
Every shingle in the cool roof collection features a precise mix of solar reflecting granules to help comply with the solar reflectance index sri requirements of title 24 part 6 even with deeper vibrant colors.
Written by gaf on 2020 12 30.