High Sri Grey Gray Roof

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.

High sri grey gray roof.

Recycled content of berridge metal. The sr value is a number from 0 to 1 0. Cool asphalt roofing shingles are characterized by 3 key values. Total solar reflectance tsr.

Ref cool roof rating council solar reflectance index calculation worksheet. Some heat that was absorbed by roof is transferred into the building. Duration series shingles are unrivaled by any other architectural shingles because they feature our patented surenail technology a technological breakthrough in shingle design. Sri can be calculated based on the pitch of a roof its weight its solar reflectance thermal emittance and its ageing characteristics.

Cambridge tm cool colors reflect a percentage of solar radiation. Even if not required by energy codes cool asphalt roofing shingles may lower the cooling load on a home in hot climates. Relative ability of roof surface to emit release absorbed. 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. There are 3 main figures to understand when choosing a color. The selection of materials with a high sri can reduce indirect solar gain in buildings and reduce the urban heat island effect. Timberline hd reflector series plus shingles are rated by.

Owens corning oakridge 32 8 sq ft estate gray laminated architectural roof shingles. Tsr e and sri values. The sri value reflects how well a roof rejects solar heat. 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.

A value of 0 indicates that the material absorbs all solar energy and a value of 1 0 indicates total reflectance. 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. Item 10097 model 1093059.

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. Solar reflectivity or reflectance is the ability of a material to reflect solar energy from its surface back into the atmosphere. Solar radiation heats the roof surface.