Roof Temperatures Crrc

Cool roofs can extend the life of a roof especially in warmer climates and reduce energy costs.

Roof temperatures crrc.

The cool roofing rating council crrc was established in 1998 to create credible methods for evaluating and labeling the solar reflectance and thermal emittance of roofing products. Reduce energy costs with a cool roof. Roof surface degrees fahrenheit on a sunny 90 degree day. The crrc administers a product rating program in which companies can label roof surface products with radiative property values.

Sri is calculated using california energy commission sri calculator worksheet and it is calculated in accordance with astm e1980. Sri calculation based on calculated aged solar reflectance and initial thermal emittance. Decra s line of cool roof colors are certified by the cool roof rating council crrc to have high solar reflectance and thermal emittance properties that reduce energy costs by lowering roof temperatures. The crrc simply lists the measured radiative property values on the rated products directory.

Download the cool roof flyer here. Avoid roofing in temperatures above 80 degrees f to eliminate these issues. Remain flexible at temperatures as low as 0 f making it easier to install in cold climates. This method has become an accepted part of the leed application.

Rated by the cool roof rating council crrc for cool roofs and meets. See actual warranty for complete details limitations and requirements. Different sources report different temperatures. 138 145 but feels hotter to the touch than a black roof.

Harsh cold weather elements affronting the roof. The crrc does not set a minimum definition for cool. Ideal temperature to get the best results and to prevent breakage or softening of materials install roofing when the temperature is between 50 and 60 degrees f if at all possible. Crrc product id 0668 0058 aged cedar crrc product id 0668 0055 adobe crrc product id 0668 0091.

The cool roof rating council crrc maintains a credible and unbiased third party rating program for measuring and reporting the radiative properties of roof surfaces. Up to 68 degrees cooler than black roofs. Cool roof rating council crrc. Portland or 97217 tel 866 465 2523 email.

The new shingle s sbs composition allows it to remain flexible at temperatures as low as 0 f making it easier to install in cold climates. Crrc product id 0668 0051 max def weathered wood crrc product id 0668 0050.