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NC-2009 SSc7.2:Heat Island Effect—Roof

what defines a roof for this credit?

What defines a roof for this credit? Is it slope, construction, or function? I have a project with a mansard roof. It has a 65% slope, very steep. I would count it as a roof, as it's construction is like a roof and is not vertical. But, one could argue that a mansard roof (the steep part anyway) functions programmatically more like a wall. Any thoughts? When does a wall become a roof (for LEED)?

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Sat, 07/26/2014 - 06:15

I would reference the defiition for roof area. I would rely on the plan view to decide if something is a roof or a wall. If it shows up in the plan, it's probably a roof.

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