As of the 7/6/12 LEED addenda release, USGBC has integrated the International ACPs into the regular LEED credit language—so rather than reviewing the standalone document, you can see the ACP...

In nearly all cases grouts used for ceramic tile installation are are cementitious and zero VOCs.

This is of course not the case for elastic grouts.

It does not make any sense why a...

WEc1: Option to base calculations on the "the month with the highest irrigation demand.

The way the calculations for this credit work -- if you have a normal irrigation system, meaning...

"projects where no future development is planned are not eligible for this master planning credit."

I work on a lot of school projects. I am wondering what "is planned" actually means. My...

Water Efficiency credits WEp1 and WEc1 no longer include janitor sinks.

This has been required by reviewers in the past. For one of my projects, where the engineer completed the...

"the vague hazardous chemical containment requirement has been removed."

This is a layover from LEED v2.0. Rob Watson actually had a lot, if not everything, to do with this. I know this...

"Residential projects are not eligible for IEQc7.2: Thermal Comfort—Verification"

The USGBC needs to clarify this for mixed-use projects. Is this entirely banned for projects with any...

"Under the daylight requirements for IEQc8.1, the term "regularly occupied spaces" has been replaced by “applicable spaces.” We're not sure if this is significant—we have a question in to USGBC...

Hi everyone,
I would like to ask about 'square footage of all parking areas' on PI form 2: I am not sure which one I should choose square footage, gross or net? Im working on LEED 2009 for...

Good morning. Armstrong's S-202 adhesive contains 4 percent carbon black. Prop 65 identifies the criteria for carbon black as being "airborne, unbound particles of respirable size". Since this...