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TO-15 vs TO-17 test method for VOCs

NC-v4 EQc4: Indoor air quality assessment
posted by Bryna Dunn on May 19, 2022, 11:38 am

In looking at the acceptable test methods for...

Open Spaces- Turf Grass

Schools-NC-v4.1 SSc3: Open space
posted by Michael J Turner on May 19, 2022, 11:02 am

Hi there,

Does LEED turf count as the vegetation of outdoor space credit for Schools LEED V4.1 ?

Many thanks,

Data Sheet or Laboratory test report?

NC-v4 SSc5: Heat Island Reduction
posted by Samer Alhmdan on Jul 20, 2017, 8:46 am


Do we need a laboratory test report to substantiate the...

Last reply: ANCHAL AGARWAL, May 19, 2022, 1:35 am

Quality Transit- Exemplary Performance under LEED v4.1

NC-v4.1 LTc5: Access to quality transit
posted by Susan Di Giulio on May 18, 2022, 7:19 pm

Is the V4 exemplary performance path of double the max required number of trips valid under v4.1? I don't see it mentioned anywhere in the ref guide or addenda, either as existing or as having...

Innovation: WELL Features

NC-v4 INc1: Innovation
posted by Laura Charlier on May 18, 2022, 6:02 pm

This innovation only references WELL v1 features for achiement.  Since WELL v2 has been released, has any project submitted any WELL v2 features in place of the WELL v1 features listed in the...

Increased Ventilation- Strategies 5 and 6

NC-v4.1 EQc1: Enhanced indoor air quality strategies
posted by Kelli Kimura on Aug 4, 2021, 4:47 pm

Hi all,

Curious if anyone has pursued the newest v4.1 language going after six out of ten possible strategies for 2 pts and have looked at Strategies 5 and 6 for increased ventilation....

Last reply: Michelle Bombeck, May 18, 2022, 1:48 pm

Indoor Water Use Reduction Calculator for Hotels

NC-v4 WEp2: Indoor water use reduction
posted by Kyle G. Pearson on Aug 27, 2019, 11:32 am

I am working on a 5 story hotel in San Jose, California.  I'm trying to finalize the Indoor Water Use Reduction Calculator.  The water closets (4 types) have identical gpf rates, so I've left...

Last reply: ANCHAL AGARWAL, May 18, 2022, 9:44 am

Under slab insulation required on raised heated (radiant) floor slabs?

Healthcare-v4 EAp2: Minimum Energy Performance
posted by Deb Favaretto on May 17, 2022, 11:06 pm

Our project is pursuing LEED BD+C for Healthcare v4. Under the Minimum Energy Performance prereq, it is stated that the building must comply with the mandatory provisions of ASHRAE 90.1 2010...

Last reply: Marcus Sheffer, May 18, 2022, 9:04 am

Wet-applied Lubricants

NC-v4 EQc2: Low-emitting materials
posted by Megan White on Sep 18, 2017, 8:11 pm

Our project is looking at the "Never-Seez NS-160 Regular Grade Compounds" which is wet-applied onsite within the weatherproofing membrane.  Past posts from from v2009 show that "Lubricants" do...

Last reply: Ilia Khouri, May 17, 2022, 4:25 pm


NC-v4.1 SSc2: Protect or Restore Habitat
posted by Sara Hicks on Jan 4, 2022, 12:02 pm

Anyone have a suggestions on how to find native plants as specific as the ecoregion required? I can't find any resources that provide this information.

Last reply: julie baines, May 17, 2022, 3:22 pm