Hello, I need a clarification on how to calculate the percentage of recycled content for a specific material on my project. For example; My fiber glass insulation has 9% post consumer recycled cont

Has anybody ever had an issue with using an EPP certified product to gain recycled content for a project?

It is obvious that the LEED reviewers use a set of predetermined comments for certain material claims made.

CSI Section 10 is included in this credit. What would be considered toilet/bath acessories under CSI 10 28 00?

We are currently working on a multiphase development in which the foundation of one building is being completed while another is being demolished.

When working on large projects with substantial mock-ups, should one include these materials in the project documentation?

Our project in Guam used base material extracted on site and gradated for reuse as aggregate sub-base below slabs and pavement on site.

Can Division 2 materials (hardscape, storm/sanitary utilities, landscaping) be excluded from the overall material cost when calculating for this credit?

In the wake of recent storms, a municipality has collected and stored logs from falled trees that have been cleared.