Sri Roofing Materials

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.

Sri roofing materials.

Take a look at the top roofing materials and see what might be right for you. The solar reflectance index or sri is a calculation using the aged solar reflectance and thermal emittance measurements of the asphalt shingles materials. 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. Another method of evaluating coolness is the solar reflectance index sri which incorporates both solar reflectance and emittance in a single value.

Have you been thinking about updating your roof but don t know where to start. This measurement can be used as an indicator of how hot shingles are likely to become when they re exposed to the sun. 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.

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. Berridge s kynar 500 hylar 5000. 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. California s building energy efficiency standards for residential and nonresidential buildings title 24 part 6 contains requirements for the thermal emittance three year aged reflectance and solar reflectance index sri of roofing materials used in new construction and re roofing projects.