The Roof Be Cool

In hot climates traditional roofs in the contiguous united states can reach temperatures of 150 to 185 degrees fahrenheit.

The roof be cool.

Since california issued these guidelines other cities and states have implemented similar cool roof measures. Asphalt is a great low cost roofing material but there are better choices for keeping your home really cool. Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles. 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. Cool metal roofing is a popular cool roofing material as it can offer more than twice the solar reflectance of traditional asphalt roofing. 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 one that has been designed to reflect more sunlight and absorb less heat than a standard roof.

Nearly any type of building can benefit from a cool roof but consider the climate and other factors before deciding to install one. A cool reflective roof stays 50 to 60 degrees cooler when exposed to the same summer heat. Although cool roofing is one of the most significant green technologies today it is not a new concept. A cool roof prevents heat absorption by reflecting the sun s heat and then emitting its radiation back into the atmosphere.