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

Hello Green Gurus,

Some of you may have heard that the Sustainable Construction Leaders Group has been developing the Contractor’s Commitment, a set of sustainability guidelines for contractors to implement in their companies. 

The Contractor’s Commitment will be going live on November 13th with this half-hour webinar introducing... Read more

I can hear Kjell saying "All models are wrong, but some are useful." Having said that we are having trouble getting usuable predictive energy use information from our electrical design engineer. They are telling us that their energy models are not for accurate pEUIs but just to compare various scenarios. Are they being lazy? Should we push for... Read more

Folks,

In case any of you enjoy the Phoenix weather, I wanted you to be sure to know that our company, Sundt, which is headquartered here is looking for a sustainability director to lead up our efforts. This comes after two years of work and hiring a consultant (Brightworks out of California) to help us prepare and take the next steps. I... Read more

Are your firms discussing the health effects of silica dust on people working with engineered stone and the recent announcement of the upcoming ban in Australia, as of July 2024?

https://www.dezeen.com/2023/12/14/australia-bans-engineered-stone-silico...

According to the article, a recent report says that there is no safe level of... Read more

The AIA conference is coming up soon as well.  It is scheduled for June 19-23 in NYC. I have heard about a lot of great sessions and I am thinking it would be helpful if we could collect info here.  Please respond to this message with info about your session and I will compile all of this into a handy reference document.  I will start with my... 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

For those that missed Z's subtle mention of this a few weeks ago, Bora finally decided sustainability is important enough to have someone dedicated full-time to it, and then went out and got one of the best:

https://bora.co/bora-hires-sustainability-director-corey-squire/?tax=all-posts

I've been sharing Corey's thoughts on... Read more

* This gets complicated -- how much should happen on the dashboard and how much should happen in the actual Discussion forum?

Hold off on discussions for Phase 1. What should be here instead for... Read more

I am excited to share with you the final draft of the letter back to LP50 manufacturers.  The LP50 manufacturers sent their “Closing the Loop on Product Transparency” to design firms earlier this year.  For more background information, please check out Chris Hellstern's original August 20th post on this Green Gurus forum.  When we posted the... Read more

I'm advising a nonprofit organization (the Retreat Farm) on whose board I sit that is renovating a large, 8,000 sf, 19th Century barn into a large community meeting space and wedding venue. We are looking for a source of either folding or stacking chairs that are durable, low-maintenance, and environmentally responsible. We may be seeking... Read more

I am forwarding this request from Kate Simonen from the Carbon Leadership Forum to support a grant application for this research. I don't know if the link will work in this format but if you have questions or want to sign you can contact me or Kate and I can send you the mail with the link my email is:  lstrain@siegelstrain.com     Thanks... Read more

I am thrilled to announce that our own supreme Green Guru has been elevated to the College of Fellows!  Congratulations Pauline!

Announcements are being made today so don't be shy folks - please share the good news here.

Welcome to the quiz portion of Certified Wood Update: Comparing SFI to FSC on Key Forestry and Health Issues.

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


1. Explain the purpose of forest management standards and what they measure.
2. Differentiate between FSC and SFI... Read more

This summit was pre-approved for  6 GBCI CE hours.

Please complete the survey question to confirm your attendance and receive your CEUs.

By providing your credential numbers in your profile, you will enable us to automatically report these CEUs to the organization. Please first check your profile to be sure your information is... Read more

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