Hi, this is a retrofit of an existing building where all the exterior structural walls are being replaced and also the interior walls. At this point in construction there are no exterior or interior walls, just the metal structure supporting the roof. Questions is, since the intent of the credit is preventing the harmful contaminants inside the weatherproofing system, do I have to install a low VOC enamel to the metal structure to comply with this credit. The space is not weatherproof at this point, it is completely opened, so I don't see the benefit of going with low VOC enamel. By the way, in which product type is it classified?
Many thanks
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Naji Edde
Director of Mechanical & Industrial Dept.Dar Al-Handasah (Shair&Partners)S.A.L.
3 thumbs up
July 17, 2011 - 3:23 am
I have a similar question, the Contractor wants to use a non complying paint besed on the fact that there is no weatherproof at this point
Michael Miller
Project Architect236 thumbs up
July 27, 2011 - 2:33 pm
I don't have definitive references at hand, but my understanding is that LEED would require these coatings to be emissions-compliant, since they will be insdie the weather barrier. While a substantial portion of off-gassing typically occurs early in the curing process, it can continue at reduced levels for a very long time.