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

Would anyone have an example LEED Homes v4 specification they would be willing to share?  We are working on our first LEED Homes project, a midrise low income housing development here in Houston.  We have a LEED Homes provider, but she will not provide the specifications, which seem to be quite different in requirements and submittals from our... Read more

There are a number of SDL and other peer network folks talking about a potential casual meet up in association with Living Future 24 (next week in ATL).

In the interest of Julie McCoy-ing this thing into being ... 

Who: All y'all ... any Peer Network folks who are in town for LF24 (or local to ATL). 

Why: Connecting is... Read more

Well done and rivhly deserved, brother.  That makes you a Fellow Squared.

All - 

We have corporate clients that are starting to request antimicrobials in response to Covid-19. I assume we are not the only ones seeing an increase in these requests. Knowing that the evidence supporting antimicrobials has limited to no efficacy, how are you approaching these conversations? We want to continue to advise based on... Read more

Welcome to the quiz portion of "The Potential of Prefab: How Modular Construction Can Be Green"!

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


Https://www.metropolismag.com/architecture/yale-un-environment-eco-living-module/pic/44437/

Many of you will be passing through NYC on your way to the SDL Summit in Garrsion this week. I encourage you to make a pit stop at the United Nations. You’ve heard me talk about the next generation, tech transfer building systems... Read more

Dear SDLers,

I wanted to share that Canadian Architectural Professionals declared a Climate and Biodiversity Emergency and Committed to Urgent and Sustained Action. The declaration was launched last Friday as part of a week of events surrounding the UN Climate Action Summit in New York. Like others around the world, the week of global... Read more

In this live webinar on the sustainability of wood construction, we tap the expertise of leaders in the field and look into three main issues:

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 Sustainability Leaders,

Our next First Friday Fika* is tomorrow -- Friday, September 1st at 11am ET (8am PT). We'll meet on Zoom for some lightly structured coffee-chat time. This includes both facilitated sharing and open conversation about the topics you're interested in at the moment. Any Peer Network member who wants to say hi... Read more

As I mentioned in my five-minute presentation this morning and then discussed a little more in the break-out on RELi that followed, the full RELi Rating System, in its current form, has now been posted online: http://anyflip.com/zyqc/mdir/

Unfortunately, this is only posted as a flipbook, currently (viewable online only), and isn't... Read more

Imagine folks have seen this, but thought it was worth bringing up: this study which shows the great need to build new renewable infrastructure to support electrification.

I've been in a few discussions with folks where we've discussed how electrification is objectively a good goal, but are we passing carbon from one source to another?... Read more

For a number of years a colleague and I have been teaching a course about sustainability and water in architecture at the University of Pennsylvania's architectural school (PennDesign).  This year we're hoping to bring a few new opinions to the table for at the same time as we broaden the discussion.  Because the class will be virtual again... 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

* 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

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