Hi, Is reusing rainwater for flushing toilets an accepted solution for achieving this credit? Or is reusing for irrigation the only solution accepted? Thanks.

We're doing a project that is >75% of the interior of the building (nearly all of it), but is considered CI.

Hello, About the option 1 Nonroof and Roof, we are using a natural Stone (local material), Off-White color, for the pavement in the main square and walkway.

Dear Leed users, We are doing a warehouse project in Spain.

The LEED v4 acoustics credit addresses sound isolation purely through composite STC ratings. In my research, I have struggled to find STC ratings for ceiling products.

Hi Markus, Thanks for your reply. I've been trying to undestand the explanation of 90.1-2013 User's Manual, page G-35.

Hi All, I am trying to establish if a project can take benefit in the energy model for an improved air infiltration rate for the building envelope over the baseline model.

Can fertilizers contain a small percentage of Ammoniacal Nitrogen and still be considered non-ammonia based?

Currently we have no smoking signs on the residence hall's main entrances, the ones used by residents to get in and out of the building.

We understand that buildings roofs with PV should be excluded from the roof calculations. Does that also mean that PV canopies over on-grade parking should be excluded?