Curious if folks know of any resources on hempcrete, specific to durability.  We have a one-story carbon-neutral operational energy project where the design team and client have bought into the aesthetics and carbon-sequestering potential of hempcrete, and amazingly it is looking to be no more expensive than a more typical concrete wall... Read more

General FAQs

Orders, Memberships and Billing

Technical... Read more

Columbia already offers access to free EV charging for our field employees. Of the few projects that have have opted in so far, we've had to custom design and intall EV charging setups. It's good that we're doing this, but it won't scale quickly enough and cost effectively.  I think a practical next step is working with trailer companies so... Read more

Welcome to the quiz portion of What’s New in Multi-Attribute Environmental Certifications.

Learning Objectives
Upon completing this course, participants will be able to:


1. Describe several styles of multi-attribute certification.
2. List a benefit and a downside to both point-based certification programs and... Read more

I just saw this post from Conor on LinkedIn.

Starting in January 2019, all new Columbia Construction Company projects require LED temp lighting.

Are others doing this too? Frankly, given all the benefits and how quickly the industry is matured, it's hard for me to understand why anyone would use anything other than LEDs on a job.... Read more

Apologize in advance if this has been posted before but we are trying to get manufacturers of stage curtains to give documentation that proves that the product does not have halogenated fire retardants. Manufacturers say they don't have them or concentrations are limited to 100ppm but they don't seem to have documentation to provide for it.... Read more

Hello All,

A group of us (three architects and a builder- sounds like there should be a joke here) were debating this and we  are stumped.

Application: Residential exterior trim.

50 year warrantied composite product of agricultural byproduct with PVC (EPD not published yet) vs 100 year (if primed on all sides and painted or... Read more

Has anyone pursued the schools Mold Prevention IEQc10 successfully and have format for the documentation created they would be comfortable sharing? Our contractor is excited about pursuing this credit but no on our team has pursued it before.

thanks in advance!

Hi folks,

It came up on the Regional Leaders call this week that many people aren't aware that we added a link to the BuildingGreen Communities in footer of BuildingGreen.com. So if you want an easy way to get to the forum page, other than clicking on a link in an email, there it is! (Thank you, Stephen Endy!)

The footer has a... Read more

Hi- Happy Monday!  

Does anyone know if there is an open-source list of manufacturers that have take-back programs? Looking for a summary/spreadsheet with details (costs, qty, etc). I have a small list but I'm guessing there is already one out there...

Also, Doesn't stage D in LCA account for take-back programs? Could this be... Read more

Commonly used for interior partitioning of commercial buildings, light-gauge steel framing is increasingly being used in residential construction. Compared to solid wood, steel studs are lightweight, dimensionally stable, resistant to insect damage, and of consistent quality. 

BuildingGreen-Approved Structural Steel

Products... Read more

Hi Gang, 

We are looking to implement the contractor commitment and are running into COVID-19 protocol barriers when looking at the Jobsite Wellness category specific to the soap as well as the food storage/eating areas on site. Anyone else run into this issue? 

-Kena 

I had a client ask recently if there is a 'better' global social justice tool than ILFI's JUST for use outside the U.S. 

Personally, I'd look to WELLv2 feature C12 - Organizational Transparency for other options... but personally have very limited knowledge of options c-e.

Do folks have an opinion on if any of these prograams are... Read more

THIS WEBINAR PURCHASE AND REGISTRATION IS CLOSED.

This one-hour crash course will review the concepts and key facts within the WELL Building Standard that are covered most extensively on the WELL AP exam. By... Read more

https://www.usgbc.org/articles/us-green-building-council-celebrates-2021-class-leed-fellows

I'm sure you will see many familar names on the list - not the least of which is our fellow SMEPL:  Sarah Gudeman.

Congratulations, Sarah - well done!