Hello SCL, 

For those who missed our last call, I am posting the results from the 2023 Contractor's Commitment reporting cycle. Reporting at some of the higher tiers requires sharing case studies or information with SCL or the public. All the information that can be shared publicly (or that I received express permission to share) is now... Read more

Discarded tires are an environmental disaster, and finding a beneficial use for them is a high priority.

BuildingGreen does not approve any flooring product that is made with tire-derived rubber, though some products may be appropriate for exterior use.

Hi Everyone,

Who has worked on a SITES certification and can share the approximate hours involved for administering and completing documentation? A relative sense of the effort compared to LEED would also be helpful, similar to the thread about WELL on this same subject. 

Appreciate any insight. Thanks! -Hilary

The Project StaSIO competition is in full swing, and its time to rate the submissions that made it to the public voting round!  Fancy yourself a connoisseur of simulation graphics and have a spare 5-10 minutes this Friday?  Take a browse through the gallery and rate the 10 graphics and 4 case studies that made it to the final round! Winners... Read more

In looking for ways to reduce jobsite waste and lower our carbon emissions, I'm working on a business plan for centralized procurement, in lieu of individual project purchasing their own tools, PPE, & consumables.  I'm curious as to how many other GC's on here use (or have used) a central purchasing process and if you have any pros/cons... Read more

My name is Boyd and I’m the newest member of the BuildingGreen Peer Networks team. I’m joining BG after a long line of jobs in the service industry. I’ve worked everywhere from breweries to adventure sports companies and I’ve loved every job along the way. I was drawn to BG because of my history of meeting people and fostering connections and... Read more

Hi all,

GBD turns 50 this year! I would like to share some examples with leadership of how we can make it more than just an event for clients... something that can give back, engage the public, focus on sustainability, etc. I remember that a Seattle firm had an awesome event that engaged a public plaza, etc. I had read something about it... Read more

Anyone have experience with electric boilers? I think in cold climates it's perhaps the first thought when trying to reduce scope 1 emissions in an HVAC application that would have historically used gas-fired boilers... but it seems like they're only an incremental improvement compared to heat pumps / geothermal / VRF type solutions. We haven't... Read more

With the current push for improved window performance to meet energy codes and Passive House, room side low-e coatings can significantly improve window U-values. However, back in 2018 Payette did this excellent study that showed that while room side low-e coatings improved window U-value and increased the interior radiant temperature, the... Read more

Hi All,

I'm working on a LEED for Schools project under 2009, and received some amorphous comments back about our Mold Prevention Plan. We used the LEEDuser template as a guide, while also referencing the EPA document the credit is based around, but the reviewers feel we haven't provided proper metrics. The EPA plan is something like... Read more

Hi folks - update here for our FUN saturday night "show"!! What a great way to start the year and celebrate new beginnings!

The Lighter Side of Green will air THIS coming Sat night at 7pm with Anne Hicks Harney MC'ing - check out the link to see the roster of amazing talent and log on for great tunes, humor, camraderie and community! ... Read more

Hi All - 

Has anyone explored hydronic system analysis software (1D CFD)? 

Some options are PipeFlo, AFT Fathom, PipeFlow (eerily similar name to first option), COMSOL Pipe Flow Module. 

Applications could range from general system troubleshooting, pump sizing, to district hydronic system network analysis. 

Best,... Read more

Welcome to the quiz portion of Raze or Retrofit? Six Extraordinary Answers to an Everyday Question.

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


1. Understand how the embodied impacts of renovation compare to those for new construction.
2. Provide three reasons why building... Read more

Durability is the first priority for roofing membranes since interior repairs and replacement waste material, time, and money.

BuildingGreen-Approved Roofing Membranes

BuildingGreen approves:

Hi everyone, 

Following November's SCL Summit, I put together a model Construction Waste Management Action Plan based on the ideas shared in our focus group. It is linked below in Google docs, so everyone should have access to live edit the plan. Please take a look and add comments if you can. It's a very rough outline, so we can... Read more

Hello friends in the construction group!

I am advising an owner on a huge redevelopment project and - we are of course looking at carbon/embodied carbon from a design perspective - but I remember hearing some of you talking about how you are addressing emissions during construction (including both recommendations related to specific... Read more