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 SDL Network,

I am working with members of the Seattle AIA COTE in planning an event that we are tentatively calling "Pathways to Decarbonization" or maybe "Decarbonization Success Stories".  The idea is for the COTE to identify entitities (school districts, local governments, higher-ed institutions, corporations, etc.) that have... Read more

Hi Sages,

Thanks to those who filled out the survey and helped set our agenda for Monday's meeting. We know that this time doesn't work for everyone (no time could, of course), so we'll be alternating times each month. The April meeting will be Thursday, 4/11 at 3:00 eastern.

The agenda is here. It also has the Zoom link (in case... Read more

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

Hello SD Leaders!

Two weeks ago a group of us gathered for the Winter 2020 Sustainable Design Leaders Summit. Those of us from BuildingGreen that were on site, greatly appreciated everyone's time and energy. It's always a pleasure to work along side you all!

Here is the summit report!

Reminder: We are giving a priority look... Read more

Sustainability leadership has requested that you take this quiz to help assess sustainability literacy across the firm. Your own results will be presented to you at the end of the quiz but will not be shared with anyone else. Only aggregated, anonymized results will be available to others.

Please don’t do research to inform your... Read more

Hello, Sustainability Leaders! 

I’m excited to be sharing a virtual hello to this network more formally (waving, big yellow energy, sparkle emoji - all of the above). If we’ve yet to meet, I’m so looking forward to chatting down the road. I’m Jill Maltby-Abbott, BuildingGreen’s newest team member. I'm working most closely with Brent,... 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

Hi folks, I was asking around during Greenbuild and getting a variety of answers on this, and since our Contractor Commitments make a distinction between "GC's" mobile equipment as scope 1 and "Sub's" mobile equipment as scope 3. I know that many of us acting as "CM" claim full "operational control" of a jobsite and consider all fuel using on... Read more

I was talking to Nadav recently about job posting opportunities through Building Green and/or through the Peer network.  He shared this topic has been discussed in the past, and thought I should send a question out to the network.  I am guessing many of you are looking for talent right now too?  Wouldn't it be cool to know people of have been... Read more

Hi All,
We have a project in design with a large AV display for updating data. Anyone know of an AV team that thinks through both visual /acoustic performance in conjunction with energy use and environmental impact of the display? Replies on the peer networks hub or directly to me at alk@dskap.com work. 

Thank you! 

What a great first day!

Here are the slides from the show and tell presentations last night at SOM's office; everyone who presented with slides has given approval to share them.

HI All,

Really hoping to get some insight from all you wonderful people on how the Sustainability teams are set-up in your construction companies. As mentioned in my introduction post, I am the first ever Sustainability Engineer hired by my company.....until now all the work was handled by project teams. Which worked for them in the... Read more

We are putting together a free guide for firms who have not yet started to figure out what their internal standards are for healthy, low carbon materials/products. 

As part of this effort, we are looking to gather from all of you who already have standards - examples and precedent.

Also we are collecting standards from clients/... 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

Hi all,

We recently learned that Mass Dept of Environmental Protection (MassDEP) along with a few other state agencies are looking to offer grants for wastewater heat recovery implemented into projects. This is a newer technology that puts a heat exchanger or heat pump in the wastewater system that then extracts the heat energy and... Read more