In a greenroof application, if a single ply roof is use (we called it a "liner"), does it have to comply with the 450 g/L of VOC limit? Techically, it is on top of the building on the outside.

In FAQs for IEQc4.2 I found an information that the actual weather barrier does not need to comply with the credit. I understand that we can treat EPMD Membrane as weather barrier.

How do you see the use of hot air/flame applied bituminous sheets as a vapor barrier on roofs regarding VOC? Which category should I use?

I recently completed a building that is to be certified under the LEED Core & Shell program. The building was literally a 'shell' - no interior finishes to speak of.

We have three projects on a campus application. The master site submittal for this credit as well as others was approved during review.

Is it necessary for manufacturer to indicate 'less water" for the VOC limit?

The BD+C Reference manual states: "This credit is not eligible for exemplary performance under the Innovation in Design section." However, a response from Tristan Roberts on June 4, 2010 states th

Hi, I am working on a Core and Shell project that is not using any VOC containing products, can this project still gain this credit as no VOC products are being used and therefore VOC Emittance is

Page 509-LEED Reference Guide 2009-SCAQMD 1168 [2005]-Table 1 shows the VOC limits for: PVC Welding - 510 g/l Plastic Cement Welding - 250 g/l Most common brands/manufacturers like Oatey, Ipex, We