I am a bit confused when it comes to Steel Joist and Deck. New Millennium and Vulcraft obtain steel from mills. Does the steel mill serve as their extraction/recovery origin or do we have to...

When calculating both the regional material and...

What should be done for a product that has numerous locations for extraction. For instance, my steel supplier has 47% regional materials, but the sources are from about a dozen different mills...

I've been working with a subcontractor regarding the documentation requests for regionally based materials on a Platinum project. As a manufacturer of formulated products, there is not a lot of...

The reviewer question the distance on the rebar steel.
Will the mill certificates be enough verification of the distance.
Showing the distances of the (2) Mills where the material was...

I am working on a project which is being designed for a south pacific island. The majority of the construction materials do not exist on the island with the exception of rock. Fortunately, our...

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. How this material could...

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

Hello, I have a LEED project in mexico city and we are using steel to document this credit. However the extraction is in Japan and it is manufacturated within 500 miles. Im confused if a...

We've run across a couple of products in which the manufacturer provides a letter attesting to full compliance with MRc5, but we know for sure it can't be true... take, for example, carpet or...