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

All,

I think there may be more than a few people interested in an article I co-authored titled Comparative whole building life cycle assessment of renovation and new construction. It is now available in the journal Building and Environment. Fortunately we have a link that gets you past the paywall that is good for 50 days. If you have... Read more

Hi Gurus,

As some of you may remember, my spouse, Moshe Cohen did a short negotiation mini-training at SDL some years ago - but there's many of you who weren't there - so this is for you!

He will be doing a training in two parts on Nov 17 and 24th from 9-12 EST. He's the BEST (even objectively!!) and honestly, if you want to... Read more

Sages - see below for what was posted in the SDL forum

seems this topic needs all of you - to guide, critique, move, question

nadav forgive the blend posting but I dont know who sees what, and the SAGES are the bomb on this kind of troublemaking

thoughts all?

PFAS is in everything and you – Please join

Hello... 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 all - many of you have been involved in our project to crowdsource the best building performance graphics and make them searchable and freely available. After redesigning the website for functionality and bi-monthly (instead of annual) competitions, we are launching our first of these Challenges: Daylight + Glare. Upload a graphic or three,... Read more

Dear Colleagues: A climate scientist family member who I respect deeply shared this youtube with me. I thought it was worth sharing with all of my GreenGuru friends. Let's keep on keeping on!

https://www.youtube.com/watch?v=LxgMdjyw8uw

cheers

Mary Ann

I really appreciated our day on Tuesday--seems that we had a great inaugural Summit, and covered a lot of important ground. 

Here are the raw notes (flip-chart pages) from the day. Some of us came away with Action Items--see the list on the last page. 

Five-minute presentation decks and a more polished report to follow shortly. We... Read more

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Hello, All!  We haven't run WBLCA on a project that may include electrochromic glazing before, and it's embodied carbon footprint is really high in comparison to a more traditional double or triple pane IGU (we thought it would be higher, but this is 3-4x higher).  The EPD we have from Sage Glass for their triple pane electrochromic lists a GWP... Read more

When BuildingGreen started publication in 1992, simply finding building products designed with environmental benefits in mind was a big challenge. 

In the years since we’ve seen rapid advances in green building materials and products, and manufacturers are beginning to take topics such as embodied carbon and social justice concerns—... Read more

Hi folks,

With all the build-up to Greenbuild (don't miss the Tuesday Show-and-Tell if you'll be in town!), I nearly forgot about another opportunity, coming up sooner! A bunch of us will be in Cleveland in early November for the first Building Resilience conference that BuildingGreen is helping to organize with ILFI and the Resilient... Read more

Passing on the request from USGBC Regional director:

" Ben Evans who leads our federal advocacy efforts is submitting a Greenbuild Session focused on the opportunities and challenges of the IRA. He is looking for practitioners who can speak to working to utilize IRA/IIJA programs and incentives. He seeks a real estate company/developer,... Read more

Auto-quiz used for CEUs for attendees of the 2023 SDL Winter Summit.

Hey everyone, HNY!

I'm looking for help in vetting the sustainability cred of uPVC polymer window systems, specifically as an altnerative to traditional PVC vinyl frames. We recenly had a presentation from Intus Windows, who claim that their uPVC frame systems have a low-toxicity profile and excels in performance for thermal efficiency,... Read more

Hi, all. We missed you at the standing check in today. We have a couple of questions for the BG team:

1. What is the timing criteria you need for Best Practice content? We need to back into a deadline on submissions and believe your critical path timing will help define ours.

2. Can you elaborate on what LEED User/BG content may... Read more