The Roof Be Cool

Nearly any type of building can benefit from a cool roof but consider the climate and other factors before deciding to install one.

The roof be cool.

A cool reflective roof stays 50 to 60 degrees cooler when exposed to the same summer heat. Cool roofs have been found to reduce the amount of air conditioning needed in buildings by up to 15 percent depending on factors like region electricity rates home size and building materials. A cool roof is a roof designed to maintain a lower surface temperature in bright sunshine than a traditional roof source. The surface of a cool roof reflects more sunlight and releases more heat than a so called hot or dark roof.

A cool roof prevents heat absorption by reflecting the sun s heat and then emitting its radiation back into the atmosphere. A cool roof is one that has been designed to reflect more sunlight and absorb less heat than a standard roof. By doing this cool roofs allow for a more comfortable and controlled indoor environment. Cool metal roofing is a popular cool roofing material as it can offer more than twice the solar reflectance of traditional asphalt roofing.

In hot climates traditional roofs in the contiguous united states can reach temperatures of 150 to 185 degrees fahrenheit. Asphalt is a great low cost roofing material but there are better choices for keeping your home really cool. The primary advantage of a cool roofing system is that business owners can expect to use less energy to cool their small businesses. Since california issued these guidelines other cities and states have implemented similar cool roof measures.