Since EPDs have an expiration date, and though we may have specified a product while it is valid, it may get constructed in the building after it's expiration date. How does LEED look at this...

ISO 21930:2017 has now been published.

Am I correct that EPDs which have already been published in accordance with ISO 14025 and ISO 21930:2007 don't need to make any amendments?

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Regarding "Where to find LEED-compliant products" in your Birds-eye view, I recently found "Origin" to have a very good and seemingly complete listing of documents,...

I swear I saw this info somewhere, but cannot locate it now.
What's the timeframe of product purchase in terms of applicability for this credit (and inclusion with LEED documentation/...

A company is planning to publish an EPD(s) for their gypsum board products. Their products can be categorised into 6 types, with each type measuring in several differerent thicknesses and their...

We'd like to know how important it is to state the respective materials and their respective weights in an EPD. Will there be any problem if only the total weight of the materials are stated in...

what is Criterion valuation factor ? it is mentioned in the calculation part Equation 2 for option 2 of this credit in the reference Guide p. 517

is it related to the type of the product...

Hi all,

What happens when multiple products are gathered into one EPD? In the context of concrete and masonry products, multiple products can be used on a project, let's say 3 (blocks,...

The credit language says,"For credit achievement calculation, products sourced (extracted, manufactured, purchased) within 100 miles (160 km) of the project site are valued at 200% of their base...

My reinforcing steel supplier, which is a global company, sent me an EPD that is based on the american products (it seems to be downloaded from their US webpage). Can I use it for the steel that...