Usgbc Cool Roof Data
Green building council s voluntary green building certification system.
Usgbc cool roof data. Separating cool roofing facts from myths. Cool roof rating council crrc has created a rating system for measuring and reporting the solar reflectance and thermal emittance of roofing products. Cool roof rating council crrc oak ridge national laboratories ornl cool roof savings calculator. Leed version 2 2 is the first national specification to use a relatively new measure of reporting a cool roof s properties.
Commercial buildings are benefiting from cool roof savings throughout the usa even in northern climates and that is fundamentally shifting the roofing marketplace. Costs are one of the major benefits of cool roofs. 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. Listing programs such as the cool roof rating council crrc and energy star keep records of these properties for verification and public referral.
The cool roof rating council provides radiative property data on roof surfaces to improve the energy efficiency of buildings while positively impacting the environment. For example epdm was the most popular single ply membrane in the industry in 2003. Cool roof rating council. From rural areas to urban cities and everything in between a cool roof can be implemented to suit the needs of almost any building.
Cool roofs are changing the roofing industry. Cool roofing is known to be very affordable overall with energy savings ranging from 7 15 of total cooling costs. This system has been put into an online directory of more than 850 roofing products and is available for energy service providers building code bodies architects and specifiers property owners and community planners. Recognizing the array of benefits and the untapped potential for residential roofs the city council unanimously approved a residential cool roof requirement as part of the los angeles green building code.
Leed is the u s. One way to make a decision is to use the solar roof index sri to evaluate a cool roof. Benefits of cool roofs. Green building council s leed 2 2 uses sri as a way to evaluate a cool roof.
Today tpo makes up over 50 of the single ply market. Under leed version 4 1 2019. White roofs made of vinyl can reflect three quarters or more of the sun s rays and emit 70 or more of the solar radiation absorbed by the building envelope.