Hello - Other than hiring an acoustic consultant, I am wondering what in-house tools you are using internally at the design stage for modelling acoustic performance? 

Thanks, Mona

Dear all,

A mechanical engineer on a healthcare project we are working on has asked for help in dividing the ventilation calculations between ASHRAE Standards 170 and 62.1; can anyone here help shed some light on it?

"This is the first time I am working on LEED for a hospital and I am not sure how the template wants me to show... Read more

Welcome to the quiz portion of The Death and Rebirth of DC Power. 

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


Explain when and how to integrate DC power into buildings, and the benefits of doing so.

Understand the history and background of AC and DC power in the U.S.

... Read more

BuildingGreen recommends low-emitting acoustic ceilings that do not contain formaldehyde resins or PVC coatings. Look for those that have C2C Silver or Gold certifications, are Declare Red List Free, and are third-party certified for low emissions using CDPH Standard Method. We also prefer wood ceiling products with FSC certification. The... Read more

I'm exploring the use of phase change material for a project. Specifically, looking at the BioPCM/ENRG Blanket product. I see on their website that ZGF used it at University of Washington. I'd love to hear any feedback from folks who have used it, and more specifically how your energy model and MEP engineer accounted for it. Thanks!! https://... Read more

Dear all,

On a major renovation where the wall R-value/U-value needs to be brought up to energy code, specifically a mass wall situation, does anyone have insights on how the situation is best dealt with? On the project in question for me, the continuous insulation might have to be added to the inside surface of the mass wall and there... Read more

Hi SDLers,

We’re really looking forward to connecting with many of you in a few weeks for the Summer Summit. Those of you who have registered are now actively helping to set the agenda--as always, it will be filled with rich conversations and connections.

For a range of reasons--new patterns due to the pandemic, the economy, your... Read more

Jennifer is part of the Peer Networks team at BuildingGreen. Her Connections Catalyst role for the Sustainability Leaders networks includes events planning and bringing in new members.

Jennifer’s experience before BuildingGreen includes two years working with AmeriCorps Cape Cod on outdoor environmental projects; a year teaching... Read more

I am wanting to take the pulse of this group on behalf of a manufacturer who has asked us a similar question.

The company in question makes wood products and has had FSC CoC for over a decade. Recently, they are encountering issues with sourcing FSC for about 50% of the wood species they offer. There just aren't FSC sources available.... Read more

Five types of green buildings explained. Check out this great infographic by the Pembina Institute: What do net-zero and zero-carbon buildings mean for energy use and climate pollution?

Welcome to the quiz portion of Building Re-Entry with Arc

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


1.  Explain the similarities and differences between LEED v4.1 O+M performance metrics and the Arc Re-Entry program.

2.  Understand how Arc Re-Entry contributes to an iterative re-... Read more

Hello everyone,

Wondering if anyone has evaluated/considered/specified wood fiber insulation for use in lieu of mineral wool as the exterior wall insulation?  Am mostly looking to better understand domestic availability, r-value and fire/combustibility.

We have a multi-family building in DC where the client is interested in using... Read more

I am still basking in the afterglow of this week's summit, and getting ready to share nuggets of wisdom with my colleagues at our all-staff next week. I was so immersed in the moment that documenting the outlines and choices presented for breakouts slipped my mind. Is there somewhere to access these slides to refresh my memory?

Thanks... Read more

There has been a lot of discussion re antimicrobials in this group, so here is a pre-release of this month's article on the topic. It's not an extensive feature, but I hope you find it informative.

Brent