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NC-v4 EQc2:Low emitting materials

Concrete admixtures

Profile picture for user charline.seytier
Charline SEYTIER
CEO, Co-owner.
ThemaVerde, France
LEEDuser Basic Member
15 thumbs up

Our question concerns the credit compliance for wet applied products. Although Rule 1113 references concrete admixtures such as concrete curing compounds, concrete surface retarders and form release compounds, are these products supposed to meet the requirements of that standard for VOC content? What about VOC emissions? I note that concrete is excluded from credit scope as non emitting material...

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Mon, 12/12/2016 - 17:28

In order to decide whether you meet the intent of the credit by excluding the concrete as inherently non-emitting, ask yourself these questions: 1. Is the product inside the weather-proofing of the project, assuming it's not healthcare or schools? 2. Is the concrete still inherently non-emitting with the additives? 3. Is there a sealant or coating applied over the concrete? 4. Does your choice protect the health of occupants and installers? Any sealant or coating must meet both wet-applied content requirements and general emissions evaluation.
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Allison Zuchman
Senior Sustainability Consultant
The Green Engineer
LEEDuser Basic Member
12 thumbs up

Wed, 11/29/2017 - 14:46

Following up to this thread, was it determined that concrete curing compounds need to meet the credit requirements? If so, did you find a concrete curing compound that meets the emissions testing requirements? Do any exist? Thanks.
Profile picture for user charline.seytier
Charline SEYTIER
CEO, Co-owner.
ThemaVerde, France
LEEDuser Basic Member
15 thumbs up

Fri, 12/01/2017 - 17:53

From our understanfing it does need to meet credit requirements for content and emissions, we did not have any in our project though. We  required for the concrete form-release oil to meet the requirements also.
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Debra a. Lombard
Construction Administrator/ LEED AP
Bywater Woodworks, Inc.
LEEDuser Basic Member
42 thumbs up

Fri, 12/01/2017 - 18:10

Allison, Here are some LEED compliant ones per Mfgr: http://www.scofield.com/concrete_sealers.html :") Debra    

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