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FAQs about IEQc4.1 :

Is there a shortcut to the VOC budget method if you have just one product that is used minimally on a project?

Do products applied to the weather barrier need to comply with VOC thresholds?

How do I determine what application my product falls under?

How is VOC % less water determined for aerosol adhesives?

Do grout and caulking need to be included, and if so, what is the application category?

Our project didn't use some common adhesive types, and our LEED reviewer asked about this. Are we supposed to justify not using certain adhesives in our documentation?

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NC-2009 IEQc4.1:Low-Emitting Materials—Adhesives and Sealants

Concrete Adhesives - which limit to spec?

We have the following materials called out in the 03 30 00 Cast-in place concrete spec: 1. Semi-rigid joint filler 2. Bonding Agent 3. Epoxy bonding adhesive When/where these are applied inside the weatherproofing membrane of the structure - which category do they fall under for specing the VOC limit? We are struggling with adhesive/sealant products specific to Concrete use.

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Peggy White
White + GreenSpec
LEEDuser Basic Member
59 thumbs up

Fri, 03/08/2013 - 19:34

Hello I don't know if this is directly helpful, but within my guide spec for concrete, it says: Liquid floor treatments shall have a VOC content of 200 g/L or less Curing and sealing compounds shall have a VOC content of 200 g/L or less For joint filler, you might consider using the following: Sealant Primers for Porous Substrates: 775 g/L Other Sealants: 420 g/L Epoxy is much trickier, as it exceed allowable VOC content for LEED projects. I believe you can still use an 'epoxy allowance' if there is no other product option for the application.

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