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

This just in from Liz York at CDC: There's a webinar on Friday 11/2 at 3-4 ET on Building Design and Pandemics. For those who signed the petition to WHO urging action on aerosol emissions and have been following the ups and downs of those advisories, this is an especially welcome chance to hear from experts and ask questions. 

Centers... Read more

Hi everyone, 

Thank you so much to the SDL members who attended the Summer 2023 Summit! We had an amazing time with you there. A big thanks as well to the attendees who shared 5-minute presentations during the summit.

Below are some of the slides for the presentations. Please note that we have permission from all of these... Read more

I would be interested to hear which parties in our group have participated in the CDP Program and how you are reporting your efforts.  I have talked to several contractors that just submit the data for their offices. I always feel like it is asking about our operations including the jobsites, and wonder how you get there.  I am very much... Read more

Hi All,

If you have 5 minutes, we would appreciate your input in the Google Spreadsheet (linked below).  If you only have 1 minute, feel free to reply to this forum post and list your the typical equipment vendors you spec on projects.  :)

We're asking each of you to enter your "Top 3" specified vendors for each of the products... Read more

We are working on a large healthcare project in Minnesota.  We're setting sustainability goals a bit late - no certification, but targets with accountability.  I'm working to determine recycled steel content (for structural steel and rebar), and I've gotten a bit of push-back on recycled content based on being in the region of the Iron Range... Read more

Hi all,

I've tried a couple of different search terms for the forum but haven't been able to find any past conversations on electrochromic glazing yet (which makes me suspect I might be missing something...). We have a potential opportunity to use it in a vertical curtain wall application with a client that is very interested in the... Read more

Show & Tell Break-out Session: Post Occupancy Evaluations and Occupant Behavior

Presentations: 

What better way to follow up the magic of a live presentation from Peter Yost than with 30 free days of BuildingGreen Premium?

Welcome to the quiz portion of Introducing Fitwel v2.1!

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


1.  Explain the purpose of the Fitwel standard, including how it advances the goals of health and well-being of building occupants—as well as public health.

2. List nine ways in... Read more

Our building scientist has been using Insight 360 to model daylight and document it for LEED certifications.  However, it appears that Autodesk is no longer fully supporting the tool and may eventually stop all together.  (we have not been able to run simulations for weeks due to a change to how "cloud credits" work on their end that they... Read more

Hi everyone,

Just a reminder to please fill out the SDL 2024 Events Attendance Poll by the end of next Monday, December 18th. Thank you so much to those who have filled it out already! :) 

-Amanda

Hi all,

All members of the WA Building Code Council received an email from Tim Attebery of the Washington State AGC and I'm trying to make sense of the role of the AGC and whether it is representing the consensus option of general contractors in Washington or not. The letter is very much against the energy code advancement, which... 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

I am looking at having staff members take a materials course and deciding between Parsons Healthier Materials and AIA Materials Matter certificate programs. Does anyone have feedback on either? Bonus points if you know about both and can provide a direct comparison. Thanks!

Hi All,

I wanted to pass on a few cool things we have going on at Built Environment Plus (formerly USGBC MA)  I really am conscious of not spamming you often and reserve posts for some of our most exciting happenings.

August 5, Building Tech Forum/MaterialsCAN: Getting to Zero with Embodied Carbon. Featuring 13 5-minute... Read more