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NC-v4.1 EQc2:Low-Emitting Materials

Sheathing included or excluded in "wall panels"?

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Iris Meeker
Director of Sustainability
Walker Architects
LEEDuser Premium Member
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In LEED v4.1 they've changed to a wall panels category which focuses mostly on finish wall treatments. Does this category include gypsum sheathing? Or does it exclude internal wall components? We are having a difficult time finding sheathing products that meet Greenguard Gold. It is unclear to me if sheathing is included in v4.1 . Our sheathing is within the waterproofing membrane.  Any clarity would be appreciated. Thank you!

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Rebecca Rice
Senior Consultant
Greenwood Consulting Group
LEEDuser Premium Member
4 thumbs up

Mon, 04/18/2022 - 21:52

Hello.  I am having the same issue with a Hunter Poly Iso panel. In talking to Hunter, this panel does not have CDPH testing because the insulation panel is attached to a fireretardent plywood panel and since they are having to specify the plywood from many different sources due to shortages, they are unable to do testing for all of the various plywood types. Did you ever get a response, or GBCI clarification? Thank you! Rebecca Rice
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Deb Favaretto
Architect & Sustainability Leader
CannonDesign
LEEDuser Premium Member
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Wed, 10/26/2022 - 16:46

Any suggestions here? Thanks.

Wed, 10/26/2022 - 16:58

It includes sheathing if it is inside the weather barrier. Any wall substrate (sheathing/gyp/tile backer board) as well as farbric wall covering, acoustic panels, and unfortunately, doors and glazing are included.
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Deb Favaretto
Architect & Sustainability Leader
CannonDesign
LEEDuser Premium Member
4 thumbs up

Wed, 10/26/2022 - 17:15

Thought so. That makes sense to me. Thanks, Tommy.

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