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NC-2009 SSc7.2: Heat Island Effect—Roof
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SS C7.2 High albedo roof area -120%?
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See LEEDuser’s guidance on NC-2009 SSc7.2 »
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?
Kimberly Frith
323 thumbs up
September 20, 2012 - 5:23 pm
Unfortunately no. Using the weighted average for multiple roofing materials, it is possible to have greater than 100% reflective roofing for this credit (it's a glitch in the form). The reference guide states you can only earn exemplary performance for SSc7.2 with a vegetated roof.
Joyce Kelly
Architect - Cx Provider - Building Performance SpecialistGLHN Architects & Engineers
27 thumbs up
March 3, 2014 - 4:32 pm
Must it be a 100% vegetated roof to earn exemplary performance or can it be a Combination Reflective Materials and Vegetated Roof? Current project designed & structured 1/8 of roof as vegetated, 7/8 = > 78 SRI coating & paving. Good, but not exemplary, right?
Heather Holdridge
Sustainability DirectorLake|Flato Architects
111 thumbs up
January 13, 2015 - 5:45 pm
That's correct.