Has anyone here found an alternative to XPS for the void former?

A structural engineering contact was included in recent conversations about embodied carbon in insulation materials and brought to our attention that this is a common use for XPS that has nothing to do with its insulating properties. It is typically used where concrete is... Read more

Hi Fellow GG: I just wanted to make sure everyone saw the great announcement from the White House yesterday about Code updates to address energy efficiency and resilience. It's great to see these kinds of initiatives that hopefully can continue for a few more years. So let's try to take advantage of them (said by someone who lives in Missouri... Read more

Products & Materials Specialist Brent Ehrlich excels at deep, unbiased, and nuanced technical research on the health and environmental impacts of green building products and materials. Some areas of focus include:

product and material constituents, including their risks

product certifications

third-party product... Read more

Consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur... Read more

Welcome to the quiz portion of Chemical Transparency: The HPD Issue.

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


1. Discuss why chemical transparency matters and answer common technical and practical questions regarding HPDs.
2. Offer solutions for the legitimate concerns... Read more

The Sustainable Design Leaders peer group brings together the most committed sustainable design directors from leading architecture firms throughout the U.S. and Canada. We invite you to apply for membership.
We look for the... Read more

Quiz body

Has anyone had any success with achieving the LEED Building Envelope commissioning points with an alternative compliance path using the requirements of the PHIUS verifier? It seems like an unnecessary duplication to ask the client to pay for a BECx agent and a Passive House verifier. Or am I missing something? I can't find any LEED... Read more

Please share this info with any contacts you have that you think would be a good candidate for our Design Performance Coordinator position -- Thanks!

Design Performance Coordinator in San Antonio

Are any of you working on projects that are pursuing the additional point for Indoor Water Use Reduction on a HC project via Table 4 Compliant laboratory and medical equipment? If so, what sterilizers are the projects using?

We are receiving pushback that the Sterilizer metric doesn't make sense. I am interested in any insight or a... Read more

Many of today’s surface coatings are either too toxic or lack durability and require too much maintenance to be viable choices for commercial or heavy residential use.

BuildingGreen-Approved Coatings

Products approved by BuildingGreen meet California’s South Coast Air Quality Management District’s strict VOC limits. They also:... Read more

Hi, we need 3-4 folks to volunteer to join us to work out a draft Materials section for the Contractors Commitment.  Meeting set for 6/16 @ 2 PM CST.

Please message me at pslloyd@leopardo.com if interested in participating.  I will forward out the meeting invite. If the time doesn't work, but you want to participate, I will share info in... Read more

Thank you to everyone who signed on to the Materials Pledge letter.  It was officially released on April 15th with 56 signatory firms.  The Materials Pledge will soon have a new home online and a way to continuously add more signatory firms.  I'm keeping a list for now and there are already four more firms who want to join.  I will let everyone... Read more

Hello SDL-ers - 

The SDL Climate-Smart Wood Group hosts a monthly online forum for builders all over North America who care about wood - and if that sounds like you, you're invited! As builders, we want to advocate for the conscientious use of wood as part of a holistic commitment to climate justice and resilience. We have been meeting... Read more

Hi all,

We are about to start a affordable housing passive house project in Boston and in a few presentations I've seen great signs that builders use to try to get the point across to subs as to how important air sealing is. Some are even quite funny! The builder we are working with does not have a sign like this, but is open to ideas.... Read more

So I was testing assigning a BIT Expert to a Best Practice and I am having trouble getting the profile image to appear.  

When I upload a profile picture, it appears on the standard profile page from "My Account" but when I navigate to the BIT Best Practice 01, the image does not show and it takes me to another profile page that does... Read more

We are hiring! Please share with any potential talented and passionate candidates.

https://archinect.com/jobs/entry/150052970/sustainable-design-specialist

ps. And, yes we recently rebranded for our 40th anniversary for those who may be confused :)