But over the past few years the number of cool roofing materials and options has.
Cool roofing materials database.
Commercial cool roof options include bright white membranes and white coatings.
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.
The cool roofing materials database was created in 1998 and may not be current.
The cool roofing materials database was created in 1998 and may not be current.
The cool roofing materials database was created in 1998 and may not be current.
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.
Cool roofing is not an entirely new concept.
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.
Built up roofing includes asphalt and coal tar pitch.
3m industrial minerals akzo nobel american rooftile coatings basf industrial coatings certainteed custom bilt metals.
The first cool roof material was introduced in california in 2001.
Cool roofing materials database the cool roofing materials database was created in 1998 and may not be current.
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.
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.
Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.
The cool products found on the crrc rated products directory in this category refer to the properties of the capsheet.
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.