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Hot Topic, Cool Concepts: Efficiency Mandate Drives Building-System Advances

A D+D Online Feature published July 19, 2011



More items for Building Envelope

by Allen F. Zielnik

Some Like it Hot, the classic 1959 Billy Wilder comedy declared. The plot may have thickened as the temperature rose for Jack Lemmon, Tony Curtis and Marilyn Monroe. But in a more reality-based, literal interpretation, a rising mercury means more energy use and associated higher costs, increased air pollution and greenhouse-gas emissions, and the danger of heat-related illness....
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Tagged categories: Atlas Material Testing; Cool roof coatings; Cool walls; Energy efficiency

Comment from Tom Schwerdt, (7/20/2011, 8:42 AM)

Good article. I'm a bit puzzled by the SOLACHOME claims. The Portland Cement Association recently completed a study with 45 different mix designs (including dark fly ash) - and the lowest SRI achieved was 29, much higher than the 19 listed in this article. http://www.archprecast.org/Solar%20Reflectance%20PCA%20note%20from%20Concrete%20Tech%20%2012-07.pdf


Comment from Tom Schwerdt, (7/20/2011, 9:11 AM)

I failed to mention that the two top concrete mixes in that study had an SRI of at least 78.


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