Hi All, 

We get a lot of concrete mixes that have reduced carbon footprint, however we're not able to use that for LEED because they dont have EPDs. I was wondering if LEED with accept the...

We got a comment back from USGBC that said this: 

It is unclear if the Product Replacement via EPDs optimization for aluminum extrusions, hollow structural steel, gypsum boards/...

Hi everyone,

I would like to clarify the difference between...

did anyone targeted Option 2, Path 4 and included recycled steel and rebars as "salvaged/reused"  materials.

Has anyone here used TallyCAT for a LEED submission? I’ve just started my first TallyCAT model, and it seems to only represent...

Can someone please clarify if the entire project (including additions) is used as the "denominator" for this credit?  Or only the existing building that is being resused?  I am finding the credit...

I can't seem to find a minimum threshold for the amount of reused / salvaged materials required to be able to achieve all (4) points within Opt 2 Path 4.

Does anyone know if...

Hello,

I am starting to use the new A2 type EPDs and having some challeneges with reporting the eutrophication potential, as there are three different types reported in different units:...

Good afternoon colleagues, we have recently received comments (by LEED reviewers) about the EPDs we use for LCA in the baseline model that are not the standards to consider in the U.S. industry (...

While we are getting up to speed on using OneClick LCA in our practice, most of our project LCAs are still in Tally, which currently has a more fixed database of materials. For Tally models where...