Just as wearing light colored clothing can help keep you cool on a sunny day cool roofs material that is designed to reflect more sunlight and absorb less heat than a standard roof.
Cool roofing materials database.
The cool products found on the crrc rated products directory in this category refer to the properties of the capsheet.
A product of the cool colored roofing materials project a california energy commission sponsored collaboration between lawrence berkeley national laboratory oak ridge national laboratory and their 16 industrial partners.
3m industrial minerals akzo nobel american rooftile coatings basf industrial coatings certainteed custom bilt metals.
The cool roof rating council was created in 1998 to develop accurate and credible methods for evaluating and labeling the solar reflectance and thermal emittance radiative properties of roofing products and to disseminate the information to all interested parties.
We suggest you examine the relative coolness of various types of building materials to select a type of roofing or roof coating which may meet your needs to reduce air conditioning energy use or to improve comfort.
Researchers have been studying materials that can reduce solar reflectance and thermal emittance for decades if only so that energy consumption due to cooling buildings could be reduced.
But over the past few years the number of cool roofing materials and options has.
Cool roofing is not an entirely new concept.
There are different cool roof standards for commercial low slope roofs and residential steep slope roofs.
The cool roofing materials database was created in 1998 and may not be current.
Built up roofing bur consists of built up layers of coated asphalt and insulation applied on site and can be covered with a capsheet or surfacing material.
The cool roofing materials database was created in 1998 and may not be current.
Energy efficient roofing systems can reduce roof temperatures significantly during the summer and thus reduce the energy requirements for air conditioning.
The cool roofing materials database was created in 1998 and may not be current.
Commercial cool roof options include bright white membranes and white coatings.
The first cool roof material was introduced in california in 2001.
Residential roofing options include asphalt shingles metal clay tiles and concrete tiles.