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FAQs about IEQc4.2 :

How should graphic arts paint or coatings be categorized?

The standards referenced for this credit have been updated since those listed in the LEED Reference Guide – does our project need to follow the latest SCAQMD Rules and Green Seal editions, or the ones listed in the reference guide?

How should handheld aerosol spray paints be handled?

What are the VOC limits for primers? They seem to be listed in both GS-11 and SCAQMD Rule 1113.

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NC-2009 IEQc4.2:Low-Emitting Materials—Paints and Coatings

Plaster and flat / non-flat and parking garage

What is the reason for an distinction between non-flat (textured) and flat paints? Plaster has to be seen as coatings? What about underground parking lots, do they count as interior space (on the other hand the exhausts from the cars would my times more harmfull than all the VOCs...) ? Thanks in advance!

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Fri, 08/03/2012 - 20:07

Presumably more VOC is allowed in non-flat paints because it is either technically more difficult to produce these paints with very low VOC, or that not many non-flat, low VOC products were on the market at the time of writing LEED 2009. This may have changed since, but I suspect those are the reasons. Plaster, meaning spackle and similar materials, is not considered a coating for purposes of LEED. If you seal the plaster, that material is a coating. If the parking area is within the waterproofing membrane of the building and not open to the outdoors than it would probably be considered interior space.

Tue, 08/07/2012 - 18:22

Marco, I was just looking at the USGBC guidance document on Minimum Program Requirements and there is a section on parking that you should review carefully. It likely answers your question about whether the parking on your project should be included definitively. Here: http://www.usgbc.org/DisplayPage.aspx?CMSPageID=2102
Profile picture for user bywater.debra16
Debra a. Lombard
Construction Administrator/ LEED AP
Bywater Woodworks, Inc.
LEEDuser Basic Member
42 thumbs up

Thu, 09/14/2017 - 15:35

where do you see that: "Plaster, meaning spackle and similar materials, is not considered a coating for purposes of LEED. "??? please help & provide a usgbc or gbi reference for that. we have quite a lot of plaster on project and one plaster doesn't have vocs tested for. THANKS!
Profile picture for user skippyjones
Deborah Lucking
Director of Sustainability
Fentress Architects
LEEDuser Expert
224 thumbs up

Thu, 09/14/2017 - 19:42

Debra, check out the reference standard for IEQc4.2 - SCAQMD Rule 1113 and you will find a list of product types that meet the definition of "paints and coatings". Good luck!

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