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FAQs about IEQc4.3 :

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?

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

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

Tile Crack Prevention Underlay

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L W
LEEDuser Premium Member
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Does tile crack prevention mat underlay (with a polyurethane self-adhesive ) have to meet FloorScore standard for C&S Project? Unlike tile, it is not a mineral based product, nor is it a hard-surface product. Also not a carpet cushion. Thanks in advance.

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Fri, 06/21/2013 - 14:19

Firstly, any adhesives would definitely require FloorScore or SCAQMD compliance. I have not been involved with a project using a mat such as described, but it would be necessary to establish the materials and their VOC content.

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