Cool Roof Technology
Ability to radiate absorbed, or non-reflected solar energy
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 or some other lighter shade color. However, that dynamic has changed in recent years with the development of residential cool roof products like Landmark Solaris® and Presidential Solaris® from CertainTeed that can achieve EnergyStar® qualified levels of solar reflectivity even in dark, rich hues.
Cool roofs can also enhance roof durability and reduce both building cooling loads and the urban heat island effect.
Most of the roofs in the world (including over 90% of the roofs in the United States) are dark-colored. In the heat of the full sun, the surface of a black roof can increase in temperature by more than 100 °F over the ambient temperature, reaching temperatures up to 190 °F. This increase in surface temperature can contribute to:
Increased cooling energy use and higher utility bills;
Reduced indoor comfort;
Accelerated deterioration of roofing materials, increased roof maintenance costs, and high levels of roofing waste sent to landfills.
Higher peak electricity demand (the maximum energy load an electric utility experiences to supply customers instantaneously, generally experienced in summer late afternoons as businesses and residences turn up their air conditioners), raised electricity production costs, and a potentially overburdened power grid;
Increased air pollution due to the intensification of the "heat island effect"
Blower door test
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ROOF IS A
I contacted trendgreen to checkout my leaky roof and to give me an estimate for any repairs needed. They were responsive, on time, and sent Andrew who was very helpful and knowledgeable. Andrew did a thorough check and with the outmost honesty said nothing is wrong with your roof and recommended simple repair. I was really impressed with their honesty and helpfulness. I would highly recommend them.
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