Forum discussion
CS-2009 IEQc4.1: Low-Emitting Materials—Adhesives and Sealants
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. Does the adhesive used with the EPMD membrane needs to comply with IEQc4.1? If yes, how to classify it?
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Do products applied to the weather barrier need to comply with VOC thresholds?
How do I determine what application my product falls under?
How is VOC % less water determined for aerosol adhesives?
Do grout and caulking need to be included, and if so, what is the application category?
John-David Hutchison, LEED AP BD+C, PMP
Sustainability ManagerBGIS
LEEDuser Expert
166 thumbs up
October 25, 2016 - 9:00 am
There has been an addenda issued, but I cannot find it right now. The CaGBC in Canada has worded it as such:
"Sealants, adhesives and primers that are considered part of the air barrier for the building can be excluded from the requirements of credit IEQc4.1 - Low-emitting materials: Adhesives and Sealants for LEED Canada NC or CS 2009 projects."