CEUs are available for reading all the building-envelope product guides and primer. Click here to learn more and take the quiz.

Vapor retarders are meant to protect our building assemblies from getting wet, but they can also slow drying, contributing to mold and structural degradation.

BuildingGreen-Approved Vapor Retarders

I am brushing up on current tools for local government greenhouse gas inventories and was wondering if any of you have used the EPA's Local Government Greenhouse Gas Inventory tool? Download the Local Greenhouse Gas Inventory Tool | US EPA 

Some of my immediate questions include: 

Is the EPA tool straightforward to use?

Are... Read more

(posting here for Kira)

Sustainable Design Leaders:

Is your firm using the AIA COTE Top Ten Toolkit in some fashion? COTE would like to hear from you, especially if you are willing to share your story. 

Specifically, we'd like to share best practices and lessons about how it is working (with certain types of projects, at... Read more

Have you been perusing the recently launched Contractor's Commitment and thought to yourself, 'Companies are going to need more guidance/templates/resources if they're actually going to implement this thing'? Good--now's your chance to help develop those resources.

The Contractor's Commitment Working Group is meeting December 1, 1pm ET.... Read more

Welcome to the quiz portion of Go with the Flows: The Promise and Peril of Hygrothermal Modeling

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


1. Describe the true role of hygrothermal modeling in design.
2. Name four instances in which to consider using hygrothermal modeling... Read more

The ASHRAE Conference staff is looking for more architecture sustainability leadership for planning their Integrated Design & Construction Conference (i'm sure they'd take contractors too!). The staff do almost all of the logistics themselves but they want thought leadership from across the industry to guide the focus, content.

See... Read more

Green Gurus,

We'd love your feedback.

The MEP group is endeavoring to make progress on integrative design. It has been long accepted that integrative design is necessary to make real progress, but a lack of stellar results demonstrates that it is easier said than done.

What is your experience with successes and failures... Read more

Hi all - passing on this request on behalf of Alan Scott. He is looking specifically for someone from the Gulf Coast region to round out the panel:

I am putting together a panel for a virtual session during Design Museum Week in April (Thursday, April 28). The description below outlines the conversation I am hoping to curate. I am... Read more

Hello - I have met several of you virtually over the last couple years. My name is Megan Zack and I am excited to share that I have changed positions and will be the Cheif Sustainabilty Officer at Wight & Company. After spending the last 20 years working as an architect with a small percentage of my time dedicated to sustainabilty, I'll be... Read more

I am getting started on a research project to evaluate the feasibility, costs, and benefits of using phase change material (PCM) to passively regulate temperature in Minnesota buildings. If anyone has experience designing with PCM, installing PCM, or occupying buildings with PCM, can you share any lessons learned that would be relevant as... Read more

Hi SDL!

Our CM recently offered up the possibility of substituting Pozzotive into our structural and paving concrete mix (www.pozzotive.com) on a large public building. Apparently it is on a level with the cost of standard cement.
We are eager to reduce the project's embodied carbon, and this seems almost too good to be true.

If you have been wondering about the Contractor Commitment, we have an update for you!

Several weeks ago, the subgroup leaders and the Steering Committee members gathered to agree on a basic structure for the Commitment. The idea was to align the basic expectations around issues like how many tiers there would be, what would be disclosed... Read more

What sorts of boilerplate and legalese will we need on the BIT User site? For example:

I'm not saying you need any or all of those, but I'm just giving a heads-up in case you need to check with your legal advisor.

I can link to those documents from the site footer.