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Exterior Wall Continuous Insulation- Formaldehyde-Free Requirements/Certifications

NC-v4.1 EQc2: Low-emitting materials
posted by Catherine Blakemore on Oct 12, 2021, 4:18 pm

I have a project that has a large amount of curtain wall.  Where the glazing is opaque, the curtain wall will be covered by continuous foil-faced, mineral wool board insulation.  None of the...

Refrigerant used for heating

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Penny Cole on Oct 12, 2021, 3:20 pm

Hi all,

We are all trying to move towards electrification, so electric heating, logically will be heat pumps in one form or another. This credit is currently based entirely on the quantity...


LEED v4.1 Discussion Forum
posted by Gary Havrda on Oct 12, 2021, 11:07 am

For new structural steel construction project. Can one achieve LEED credits for having the painting systems applied within a filtrated painting booth? If the system requires abrasive blasting can...

System 1/2- Ventilation Fans / Heat Recovery

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Nov 28, 2017, 4:46 am


we are modeling the HVAC system for the baseline building of a residential building. Since heating type in the proposed design will be electric, system 2 applies (1 PTHP shall...

Last reply: Eduardo Vidal Kume, Oct 12, 2021, 10:15 am

Project in a resort attached to casino that allows smoking

NC-v4 EQp2: Environmental tobacco smoke control
posted by Anna Kaelin on Jan 10, 2020, 12:47 pm

I have a client planning a complete fit-out of one of their retail spaces. The project is located in a resort in Las Vegas, which is attached to a Casino that allows smoking. Smoking is...

Last reply: Sara ALIA YOUSSOUFI, Oct 12, 2021, 9:50 am

ZRECs and the Renewable Energy Credit

NC-v4.1 EAc5: Renewable energy
posted by Misha Semenov on Oct 6, 2021, 9:28 am

Hi all!

We are going for the Renewable Energy credit for a solar system that will be owned by the project owner. The solar company is offering to build in ZRECs, which is an incentive...

Last reply: Marcus Sheffer, Oct 11, 2021, 5:26 pm

INPc136: Safety First- Re-Enter your Workspace

CS-2009 IDc1: Innovation in Design
posted by Juan Guerrero on Oct 11, 2021, 2:08 pm

Hi everyone,

We have a dout about the photos we need to take for this credit.

Can we just take pictures of the signals for the covid rstrictions? Or do we need to thake...

eurofins- CDPH/EHLB/Standard Method V1.2. (January 2017)

NC-v4.1 EQc2: Low-emitting materials
posted by Catherine Blakemore on Oct 8, 2021, 10:39 am

Is anyone familiar with eurofins as a testing company for CDPH/EHLB/Standard Method V1.2. (January 2017)?  Will...

Last reply: Catherine Blakemore, Oct 11, 2021, 1:44 pm

50% surface area reuse

CI-v4.1 MRc2: Interiors life-cycle impact reduction
posted by Mark Ragucci on Jan 15, 2020, 9:40 am

how is this credit calculated? can in include existing floor slab and deck? we are leaving a portion of the exiting walls that are about 20ft tall and our ceilings will be at 9'. can i calculate...

Last reply: Mark Ragucci, Oct 11, 2021, 11:55 am

Perimeter Control: is it necessary?

NC-v4 SSp1: Construction Activity Pollution Prevention
posted by Victoria Rios Esteve on Oct 4, 2021, 11:04 pm

Hi everyone!

We are working on a LEED v4 New Construction certification of a mall. Renovation only applies to the building, but not to the surrounding parking. Nevertheless, on these ...

Last reply: Emily Purcell, Oct 11, 2021, 10:07 am