Relative ability of roof surface to emit release absorbed.
High sri grey gray roof.
Timberline hd reflector series plus shingles meet green building standards code of los angeles county for residential buildings.
Solar reflectance thermal emittance and solar reflectance index sri.
Solar radiation heats the roof surface.
Timberline hd reflector series plus shingles are rated by.
Total solar reflectance tsr.
Cambridge tm cool colors reflect a percentage of solar radiation.
Timberline hd reflector series plus shingles can be used to comply with 2016 title 24 part 6 cool roof requirements of the california code of regulations.
Sri can be calculated based on the pitch of a roof its weight its solar reflectance thermal emittance and its ageing characteristics.
Solar reflectivity r solar reflectance index sri by color.
Ref cool roof rating council solar reflectance index calculation worksheet.
Cool asphalt roofing shingles are characterized by 3 key values.
Understanding how a construction material like metal roofing or siding will interact with the sun can help a building prepare for weather conditions minimize heating or cooling costs and reduce heat island effects in urban areas.
Recycled content of berridge metal.
Solar reflectivity or reflectance is the ability of a material to reflect solar energy from its surface back into the atmosphere.
A value of 0 indicates that the material absorbs all solar energy and a value of 1 0 indicates total reflectance.
Tsr e and sri values.
Sri flagstone brown 0 32 31 sierra 0 29 27 pewter 0 29 27 green slate 0 28 26 adobe 0 24 21 taupe 0 23 20 silversmoke 0 23 20 cobblestone 0 21 18 kailua 0 19 14 light gray 0 15 9 dark gray 0 12 6 graphite 0 08 1 davis colors concrete palette hydrotint mix ready w 1000.
The sri value reflects how well a roof rejects solar heat.
Owens corning oakridge 32 8 sq ft estate gray laminated architectural roof shingles.
This may increase your home s energy efficiency and help the environment.
Some heat that was absorbed by roof is transferred into the building.
The sr value is a number from 0 to 1 0.
The series highlights our popular duration shingles along with up to 7 other duration styles depending on where you live that feature unique performance characteristics.
Berridge metal products have a high recycled content and are 100 recyclable at the end of their lifespan.
Duration series shingles are unrivaled by any other architectural shingles because they feature our patented surenail technology a technological breakthrough in shingle design.
Item 10097 model 1093059.
Even if not required by energy codes cool asphalt roofing shingles may lower the cooling load on a home in hot climates.