Sri Roofing Materials

Berridge s kynar 500 hylar 5000.

Sri roofing materials.

Another method of evaluating coolness is the solar reflectance index sri which incorporates both solar reflectance and emittance in a single value. Sri measures the roof s ability to reject solar heat defined such that a standard black reflectance 0 05 emittance 0 90 is 0 and a standard white reflectance 0 80 emittance 0 90 is 100. This is a state of the art polymer roofing sheet made of a special layer of asa material and pvc through a production process with the latest cutting edge technology which gives many more benefits to the customer. The high reflectivity emissivity and solar reflectance index sri of berridge metal roofing helps mitigate the heat island effect.

Sri lanka s marketplace for roofing materials is here to help you choose the best roofing products suppliers and brands for any construction site. It ranges from 0 to 100. Have you been thinking about updating your roof but don t know where to start. Take a look at the top roofing materials and see what might be right for you.

Cool metal roof colors are optimal for reducing energy consumption particularly where cooling loads dominate. Hotline 077 255 0770 office hours weekdays 9 00am to 5 00pm saturdays 9 00am to 1 00pm head office no 752 baseline road colombo 09. Building designers and developers that are pursuing the heat island reduction credit for leed certification require documentation of the solar reflectance index sri for their project s roofing materials shade giving structures and paving materials. To meet leed requirements a roofing material must have a sri of 29 or higher for steep slope 2 12 roofing and a sri value of 78 or higher for low slope roofing.