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FAQs about IEQc4.1 :

Is there a shortcut to the VOC budget method if you have just one product that is used minimally on a project?

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?

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

DOOR ADEHSIVE

I have a special synthetic resin adhesive developed for flush door construction. Designed to give strong permanent bonds on typical door components such as hardwood, wood, MDF, particle board mineral based insulation, etc. The total voc content for the product is about 43, where would you classify it? under which category ?

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Jon Clifford
LEED-AP BD+C
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261 thumbs up

Mon, 05/19/2014 - 13:33

Jack – Chances are, if the adhesive is used for flush door construction, it is being applied entirely off-site, in the shop or factory that manufactures the door. If this is the case, IEQc4.1 does not apply. IEQc4.1 only applies to products applied on-Site, within the weatherproof enclosure. The product sounds like it could be a composite wood laminating adhesive. Remember that Credit IEQc4.4 prohibits the use of urea-formaldehyde in laminating adhesives regardless of whether they are applied in the shop or on-site. If your project is seeking IEQc4.4, you need to confirm that this product contains no added urea formaldehyde (NAUF). It sounds as though this product should not be applied on-site because it exceeds the 30g/L VOC limit for “wood glue” set by SCAQMD-1168 & IEQc4.1. Shop application should be okay as long as the product is NAUF.

Mon, 05/19/2014 - 13:54

Jack - I'm not clear if you are an architect/engineer/contractor or a manufacturer. If you're an architect/engineer/contractor, Jonathan's advice is right on. If you're a manufacturer, you'll want to review and understand LEED v4 for your product since that is the new standard and it is different from v3. There are v4 boards on this forum.
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Jon Clifford
LEED-AP BD+C
GREENSQUARE
LEEDuser Expert
261 thumbs up

Tue, 05/20/2014 - 21:41

Jack - Even if you are a manufacturer, if you are preparing documentation right now for a LEED-2009 Project, everything I posted above still applies to you...for now. Since you posted your question in the LEED-2009 forum, I presume that is the version that you are working under. USGBC has just released LEEDv4, which has a whole new set of standards for everyone on future projects.

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