Solar Reflectance for Walls
Solar reflectance has garnered attention due to requirements under the U.S. Green Building Councils Leadership in Energy and Environmental Development credits for reduction of urban heat-island effect.
The LEED credits related to solar reflectance, or rather the solar reflectance index (SRI), apply only to roof and hardscape surfaces. The first edition of the ANSI/ASHRAE/USGBC/IES Standard 189.1—which was developed jointly by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE), Atlanta; the USGBC; and the Illuminating Engineering Society (IES), Philadelphia—is the first U.S. standard written in code-intended language on the topic of green construction. It also is the first green standard or guide including SRI requirements for walls.
Emily Lorenz, Engineer, Martha VanGeem, Principal Engineer and co-chair of the Green Solutions practice group, and Jon Feld, Materials Consulting, co-authored this April 2011 Concrete Construction article.
Source: Concrete Construction Magazine
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