I have a building with both sloping and flat roofs. In several areas the overhangs of the sloping roofs extend beyond the exterior face of the wall, covering the flat roof surface below. For the purposes of calculating roof area, should I include the area of the flat roof that is covered by the overhang or should I limit the area of the flat roof to what is seen from directly above, as in a roof plan? Any suggestions?
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Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11474 thumbs up
March 17, 2010 - 7:04 pm
Is this a situation where it will make a difference in terms of credit compliance, whether you use one method or another? I would say that for simplicity's sake it would make the most sense to simply count the full area of both roofs—including the part that has the overhang over it.
In some situations (like with balconies) the overhead method is used so it could probably be justified, but to counter that, when the sun is at an angle, it would hit an overhung portion.
Lee Dingemans
LEED APWightman & Assoc.
56 thumbs up
July 30, 2010 - 8:12 am
How should I handle Parapet walls? Include or exclude? If I include parapet walls should I tread them as a separate roof in the fillable forms in "LEED On-Line"?
Thank you
Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11474 thumbs up
August 3, 2010 - 10:06 am
Lee, we had this discussion in the CS forum for SSc7.2—I would check that out and post back here with further thoughts.