Hey group,

I'm part of the contractor team on a large commercial project pursuing LBC v3.1 Petal Certification, with one of those petals being materials. This requires the team to meet Imperative 10 Red List.

The ownership group has taken the responsibility of red list vetting as a task of their own. The construction team is to... Read more

More sustainable forms of transportation are a key component of green building design and resilient communities.

BuildingGreen-Approved Bike Storage

BuildingGreen approves bike racks that offer security, integrated weather protection, or efficient use of space. Some products may also feature recycled content or powder-coated... Read more

Hi all - I heard from sevearl of you at Greenbuild that you have learned from and perhaps even shared the Path To Zero Carbon series internally at your firms and externally. As I mentioned at Greenbuild, we are attempting to hand off the series to a non-profit, with the idea that groups of experts (including many of you, I hope!) will provide... Read more

HGA is seeking a Sustainable Materials Specialist to join our team! 

The role involves working with project teams to educate, research, and support decision-making related to sustainable materials and, in connection with sustainability experts across the firm, developing resources and tools to elevate HGA’s materials baseline.

The... Read more

This is a test for surveys.

Hey, all. Confirming the forum index on the front side of the pay wall will be searchable. Thanks.

Does anyone know of reports/studies of financial benefits from the developer perspective on Passive House multifamily projects? Specifically looking for market rate (not affordable) housing examples where there is a direct market advantage (higher rents) for PH buildings. 

CEUs are available for reading all the building-envelope product guides and primer. Click here to learn more and take the quiz.

Vapor retarders are meant to protect our building assemblies from getting wet, but they can also slow drying, contributing to mold and structural degradation.

BuildingGreen-Approved Vapor Retarders

Anyone aware of tools or workflows for modeling of a specific outdoor space and effective surface temperatures?  We've done a goodly amoutn of microclimate simulations, but never explicitly factored in the ground surface, in terms of emissivity and other related factors.   

Anyone has experience with CertiPUR-US? I’m having a hard time finding assurance documentation for foam padding for seating.

I would appreciate any feedback or experience on CertiPUR-US program or any recommendations on product.

For those of you who I haven’t met yet, my name is Amanda and I just joined the BuildingGreen team as the new Peer Networks Administrator. It’s great to be here! I’m joining BG with a background in food justice education as well as rescue animal care. All of my prior experience has involved collaborating with small teams and working towards a... Read more

Hi All,

I just became aware of the attached detail (if I uploaded it correctly) for a project in Portland, OR going out for permit at the end of this week.  Has anyone located the radiant tubing at the bottom of concrete like this before?  It doesn't sit right with me, though I cannot pinpoint exactly why.  Our consultants and the... Read more

Help. I have a contractor in need of advice on IAQ testing agencies and I'm largely uninformed about the local market of IAQ testing agencies. Anyone have organizations they'd specifically recommend or not recommend?

Feel free to email me directly if you'd prefer - awilson@ayerssaintgross.com.

Aley

Has anyone used the new 3M Smog-Eating Granules on a roof before? Malarkey and Soprema are offering this as an option for their roof shingles. Seems like a great technology for urban areas, but I'd be curious to see if anyone here has actually successfully specified and installed it.

https://www.3m.com/3M/en_US/roofing-granules-us/... Read more