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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

porcelain tiles

Profile picture for user neetikaparmar
Neetika Parmar
Senior Engineer-Sustainable Development
LEEDuser Basic Member
8 thumbs up

Hi, our project is installing porcelain tiles which are certified by eco label, green building council italia and singaporian green building. Will this meet the requirement of IEQc4.3 as it mentions all flooring to be Floorscore certified. Floorings certified by floorscore does not include porcelain tiles so is there any alternative compliance path in such a case ?

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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Mon, 01/20/2014 - 04:50

Neetika, mineral-based flooring such as tile is exempty from the Floorscore requirement, under a LEED addendum that was issued a couple years ago. There is more information on this under the FAQs above.
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Neetika Parmar
Senior Engineer-Sustainable Development
LEEDuser Basic Member
8 thumbs up

Tue, 09/23/2014 - 12:39

Thankyou ! :)

Fri, 03/17/2017 - 20:42

As a clarification to this old question: the act of high-temperature firing to create a ceramic surface on a mineral-based floor "burns off" any VOCs. The temperature reached is high enough to destroy any organic material. It took years for LEED to get this right. But only treatments applied on-site are subject to LEED requirements. Such treatments might be surface sealers (coatings), grout sealers, joint sealants, and adhesives.

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