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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

tile setting materials

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Benjie Herrera
LEED AP BD+C ,Homes,IDC,OM
LEEDuser Basic Member
17 thumbs up

Aside from grout, are MORTARS included in the IEQ 4.3 floor finishing system tile setting materials listing?

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James Giannantonio
Energy & Sustainability Analyst
Johnson Controls, Inc.
LEEDuser Basic Member
0 thumbs up

Mon, 03/25/2013 - 15:59

Hi Benj, Yes mortars can be included in the IEQ 4.3 Low Emitting Materials - Flooring Systems credit as long as you are using a mortar product that meets the low-VOC limit followed by the South Coast Air Quality Management District (SCAQMD) Rule 1168. You should look into using mortar products that meet these guidelines. A company named Merkrete sells mortar supplies that meet the LEED IEQ 4.3 Low Emitting Material - Flooring Systems guidelines. Please use the following link to research mortar products by Merkrete and see for yourself: http://www.merkrete.com/p/thin-sets-adhesives I hope this helps and good luck.

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