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NC-v4 MRc3:Building product disclosure and optimization - sourcing of raw materials

Does USDA Certified Biobased Product = bio-based content?

Has anyone had any luck claiming compliant bio-based content with a product that is certified as a "USDA Certified Biobased Product"?  It looks like testing is done via ASTM test method D6866, but I don't know about the "legally harvested" part.  In my case, the product is EcoTouch® PINK® FIBERGLAS™ Batt & Roll Insulation- Unfaced, with a certified bio-based content of 98%.

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Wed, 12/11/2019 - 19:31

I'd love to know the answer to this as well.  When I was on the TAG, the bio-based pathway was one of the ones we tried to make feasible again in LEED v4.1 (it was too easy in LEED 2009, too hard in LEED v4.0).  I have a hard time believing fiberglass insulation could be 98% bio-based since it is mostly glass, typically.  The starch-based binder that holds the glass fibers together is typically what would be bio-based.

Fri, 12/11/2020 - 17:55

Can anyone shed any light on whether USDA certified bio-based products count towards the Sourcing of Raw Materials credit? Testing only or Testing and SAN Compliant? 

Fri, 12/11/2020 - 18:59

Keith, Have you looked at the November 2020 update to LEED v4.1? It looks like it provides some credit for products certified to the USDA BioPreferred Voluntary Labeling Initiative.  Do a search for ID#100002447. Perhaps you could consider using a credit substitute. 

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