Composite windows come in two basic types: fiberglass, and wood/plastic composite.

BuildingGreen-Approved Windows

Fiberglass and other composite window lines have NFRC unit U-factors of 0.20 or lower. Higher U-factors are allowed for products that include significant recycled content.

Manufacturers also must demonstrate... Read more

Hi all,

Just like many of you, our firm is dedicated to increasing representation in the professions and through its relationship to the AIA Large Firm Round Table was able to access a National Organization of Minority Architects Fellow this summer. We’re loving our work with Himesh thus far, but it’s unclear whether we have the workload... Read more

Hi Sages,

We had a great conversation in yesterday's Sages meeting. We took the long list of ideas that we brainstormed last month and in our March poll when thinking about what we could/should focus on as a group and we did some refining and prioritizing using dot-voting in Miro (once we got the voting technology figured out!). Notes... Read more

Beginning this year, Miller Hull will not only continue to quantify the upfront embodied carbon of every project we finish through construction, but now purchase third-party certified carbon offsets equivalent to one-third of the project’s impact. Great design is no longer enough - we must take responsibility for our architectural impact in the... Read more

As the Communications Associate, Petra works closely with both the marketing and editorial teams at BuildingGreen. Whether it is creating posts on Instagram, analyzing metrics, editing feature articles or writing news briefs.

Petra has a background in journalism, digital marketing and social media. She has a BA in journalism and media... Read more

First, special shout out to Carolyn Day from Perkins Eastman for getting permission to use their Pro-zoom account for this Greenbuild wrap-up social session, because...frankly...Greenbuild just wasn't the same without all of you.

So, while we can't be together in person, that doesn't mean we are stuck by ourselves. Grab a refreshment and... Read more

Welcome to the quiz portion of The BuildingGreen Guide to Insulation!

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


Hi Everyone!

I'm Lauren Shumaker and I'm a Project Manager/Sustainability Manager with Turner Construction.  As a long standing advocate for healthy and sustainable building materials, I look forward to expanding my ability to promote material transparency and shine a greater light on our ability to positively impact human and... Read more

We are trying to figure out how we are going to meet the LEED Credit for Building Life Cycle Impact Reduction for the first time.

One approach we're trying out: We're taking the results of our Tally model and looking at potential reductions from low-carbon concrete. However, the problem I am encountering is that when I take some of our... Read more

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Our fledgling group had an organizing call last Tuesday, March 17th. Of course, it was a great conversation - the group is full of amazing people! The focus of our conversation was the goals and actions that should drive this group forward. I have a few ideas. Please share your own in this thread!

I start from the belief that we see our... Read more

If your HVAC designers are addicted to the crack that is Trace 700, and knowing that Trane is giving up on that product in the coming year, what loads program are you weaning* them onto?

Asking for a friend:  Have any of you had success in using the Revit plug-in for loads?

*When told that they should use IESVE for loads, our HVAC... Read more

Many of you have heard me speak of our foundations effort to host a conference in Houston this November that is focusing on the social and economic side of community resilience preparedness. While we purposely are emphasizing these topic areas, we do see the importance of these conversations being witnessed by the design and planning community... Read more

Like everyone we’re struggling with the tight labor market. We’re not looking to poach. What we have found previously are individuals that have a passion for high-performance buildings but aren’t working on them in their current role for one reason or another.

Openings include:

Project Manager              3-5 years’ experience on... Read more

If I'm remembering correctly, someone at the summer summit mentioned working on / or being familiar with the Berkeley CA gas ban. A town here in MA is also considering a ban and wanted to get some feedback from Berkeley.

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

Wall assemblies are made up of a number of different materials and systems, and installing each of them requires considerable time and labor and can introduce errors that compromise the building’s weather... Read more

Hi friends! Despite thinking I had joined this forum on Day 1 - I hadn't! Just a quick hello and great to join you all. For anyone I don't yet know - my key focus through Sustainable Performance Institute is in helping companies institutionalize sustainability in their culture, systems and processes and helping them embark on a path of... Read more