A cool roof can benefit a building and its occupants by.
How to cool the roof in summer.
A hot roof won t last as long as you want as the heat damages it one summer at a time.
Because a white roof strongly reflects both visible and near infrared sunlight a white roof will typically be cooler than a cool colored roof.
Summers in bangalore have been crazy for the past couple of years.
Benefits of cool roofs.
The cool roof rating council is a not for profit organization that validates the reflective and emissive properties of cool roof products.
Standard or dark roofs can reach temperatures of 150 f or more in the summer sun.
There are many cool color products which use darker colored pigments that are highly reflective in the near infrared non visible portion of the solar spectrum.
Department of energy the surface of a cool roof reflects more sunlight and releases more heat than a so called hot or dark roof.
These fans remove the excess heat from the top part of the house allowing you to get rid of the problem and ensure that your roof lasts for many years to come.
Generally speaking the cost of installing cool roofing during construction is comparable to traditional roofing as this energy saving calculator demonstrates so small business owners may save on energy costs in long run by installing a cool roof.
While the term cool roof is sometimes used to describe any roofing surface that is cooler than a standard rooftop green certification.
We stay in the top floor and right on top of our floor is an open terrace.
A cool reflective roof stays 50 to 60 degrees cooler when exposed to the same summer heat.
When dealing with this warm climate it would be beneficial to know how to cool your roof in the summer.
On a typical summer afternoon a cool colored roof that reflects 35 of sunlight will stay about 12 c 22 f cooler than a traditional roof that looks the same but reflects only 10 of sunlight.
The sun beating down on your roof can cause its temperature to rise.
According to the department of energy on a sunny day the temperature of a traditional black roof can be 50 f warmer than the air temperature.
Thus solar attic fans could very well be one of the best solutions for hot roofs.
A cool roof under the same conditions could stay more than 50 f cooler and save energy and money by using less air conditioning.
The cool roof rating council accepts test reports from approved testing laboratories and then compiles the information in an easily accessed database.
However a cool roof need not be white.
A cool roof is a roof designed to maintain a lower surface temperature in bright sunshine than a traditional roof source.