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FAQs about IEQc4.3 :

If I have no flooring products in the scope of my project, can I earn this credit?

How do I handle a polished concrete floor?

Should mineral-based finish flooring products (without any integral organic-based coatings and sealants) and unfinished/untreated solid wood flooring be documented on the IEQc4.3 LEED Online form, even though they are exempt from certification requirement

On a renovation, should flooring that is previously installed be subject to the credit requirements?

One flooring adhesive we are using falls under both IEQc4.1 and IEQc4.3, and is over the VOC limit. We are using the VOC budget method to meet IEQc4.1 requirements, but are we automatically disqualifed from IEQc4.3?

The credit requirements are allowed to exempt unfinished wood flooring from the credit requirements, but wood flooring is almost always finished. This is confusing!

I have an international project and my flooring products aren’t tested using any of the above standards. How can I tell if they still comply?

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Forum discussion

NC-2009 IEQc4.3:Low-Emitting Materials—Flooring Systems

Flooring Underlayments

Profile picture for user mhelou1
Michele Helou
Principal
Sage Design & Consulting
LEEDuser Basic Member
55 thumbs up

Does anyone know if sound control underlayments (homosote or cork) need to also be FloorScore rated for this credit? Technically, it's part of the flooring system and we are trying for MRc6 but I cannot find a Floorescore Cork underlayment.

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Profile picture for user jjacobs_1
Josh Jacobs
Technical Information & Public Affairs Manager
UL Environment
LEEDuser Basic Member
356 thumbs up

Thu, 12/15/2011 - 18:39

I would say that it has to comply, but remember it doesn't have to be FloorScore certified. It simply has to show compliance with CA 01350 requirements - so hopefully that opens up your options a little.

Fri, 12/16/2011 - 18:41

From my experience, I usually do not include underlayments. However, I agree with Josh in that you could still seek to meet the IAQ requirements for adhesives, etc.

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