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CS-2009 SSc7.2: Heat Island Effect—Roof
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Weighted calculation - lower SRI value
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FAQs about SSc7.2:
We don't know the SRI value of some roofing materials we are using. What should we do?
Do balconies and terraces need to be counted towards the roof square footage?
How does one calculate the square footage of a pitched roof?
Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11474 thumbs up
February 5, 2013 - 8:52 pm
Rosamaria, run the calculations and find out! There is a calculator in the Doc Toolkit above.
LEED Pro Consultant
Bioconstruccion & Energia Alternativa77 thumbs up
March 5, 2013 - 1:54 pm
Thanks, Tristan. Yes, running the calcs and using the formula, it passes.
But the question was more if this formula applies to a project where all the roof areas will have the same material with an SRI of 70 (when it should be 78), or does it apply only to projects where they have SEVERAL roof materials and one or some of them DO have SRIs higher than 78, and others don't?
Thanks! :)
Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11474 thumbs up
March 22, 2013 - 12:43 am
Yes, it applies.