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FAQs about IEQc4.1 :

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?

Our project didn't use some common adhesive types, and our LEED reviewer asked about this. Are we supposed to justify not using certain adhesives in our documentation?

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NC-2009 IEQc4.1:Low-Emitting Materials—Adhesives and Sealants

EU Standards vs LEED

We have some problem with the VOC (g/l) content in our products. This beacsue we just found out that the EU standards use 250 degrees as as specified limit when VOC is measured and for LEED they should use 280 degrees. How will this affect our information, Should we force our suppliers to carry out two measurements for every product, in order to measure according to both principles? Or are we fine using the EU standards?

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Wed, 07/18/2012 - 15:35

Tanja, Depending on the category of the product, you will probably need to comply with the US standards for LEED purposes. LEED recently released Alternative Compliance Path (ACP) guidance for the 2009 rating systems. However, with respect to VOC testing criteria they only offer ACPs for IEQc4.3, Flooring Systems. The one positive suggestion I have is to reach out to each manufacturer and determine if they sell their products in the US, most manufacturers that do so have complied with the testing standards required by LEED. The revised USGBC rating system documents, including the ACPs are here: http://www.usgbc.org/DisplayPage.aspx?CMSPageID=220 Good luck.

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