Does the pipe thread sealant used by the plumber need to comply with LEED NC IEQ Low emitting materials? If so, what are the VOC limits for pipe thread sealant? Thanks!

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Mara Baum

Partner, Architecture & Sustainability

DIALOG

LEEDuser Premium Member

449 thumbs up

Mon, 09/16/2013 - 19:20

Good question. Pipe thread - the stuff that looks like really wide dental floss - is not covered by this credit as it is not a liquid-based adhesive.

Fred Van Riper

LEEDuser Basic Member

1 thumbs up

Tue, 09/17/2013 - 11:40

Mara ... thanks for the response. I am actually talking about a liquid pipe thread sealant. It is called Rectorseal No. 5. Thanks!

John-David Hutchison, LEED AP BD+C, PMP

Sustainability Manager

BGIS

LEEDuser Expert

119 thumbs up

Tue, 09/17/2013 - 12:58

Good morning,Rectorseal No. 5. has a VOC content of 317 g/L (http://ows.rectorseal.com/product-data/rectorseal-no-5/RectorSeal%20No%205.html) In the past I have reported liquid pipe thread sealant as an architectural sealant ( max 250 g/L ) under Rule 1168. If it hasn't been used, ask your plumber to find a compliant sealant. If it's to late, you could submit under the Other sealants category (as you do with duct sealant, for example) or you can utilize the VOC budget method. Good luck.

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