Hello, In our project, we decided to estimate real total material cost without equipments and labor for division 2-10. What kind of proof the contractor needs to present in this case?

This is a constant question in the wood industry and I am not sure how to answer it.

I am a first timer at Documenting LEED credits. I am working on MR credit 5 - regional materials.

In the FAQ section above, it says "The two options are available to be used on the basis of an individual product or material, so you can mix and match as needed." Does anyone know how to do this?

Is the use of limestone products in building materials or for environmental applications considered a LEED raw material?

I'm trying to verify the appropriateness of our approach to concrete for MR 4 and 5. Using the Materials Calculator and Tracker form; Concrete - total cost is the cost of concrete delivered to th

Hello, we are working on a project that aims to get the LEED NC-2009 certification. We used a stone removed from the site to compose some walls, and therefore has no cost.