Stone was one of humanity’s first building materials and continues to play an important role in today’s green building industry. There are many stones used in the building industry, but the most common ones used for exterior cladding are limestone, granite, marble, slate, and sandstone.

BuildingGreen-Approved Stone and Masonry Cladding... Read more

Dear all,

A mechanical engineer on a healthcare project we are working on has asked for help in dividing the ventilation calculations between ASHRAE Standards 170 and 62.1; can anyone here help shed some light on it?

"This is the first time I am working on LEED for a hospital and I am not sure how the template wants me to show... Read more

In trying to help a client write a case study on avoided carbon by using slag and flyash, I am having trouble finding a one for one equivalency that can be verified.

I have found for one pound of flyash, one pound of carbon is saved - but I can't verify that.

Appreciate the feedback!

Welcome to the quiz portion of Fundamentals of High-Performance Building Assemblies.

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


1. Recall how the acronym ENDURE speaks to the unifying aspect of high-performance buildings.
2. Describe how to apply the principles of high-... Read more

Hi all,

We're seeing more interest and desire for outdoor work spaces, and as we consider the design implications around working outdoors, teams have been asking about wind comfort. We've tested Ingrid Cloud and now SimScale. I'm curious if anyone would recommend any other CFD tools that are geared toward architects? Also curious if... 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

We are excited to open registration for the Sustainable Construction Leaders Summit 2019! This year’s Summit will take place Tuesday, Nov. 19 in Atlanta in conjunction with Greenbuild. The Summit agenda will be shaped by the steering committee and collective feedback from the group. The day will culminate in a networking event with members of... Read more

Welcome to the quiz portion of Wood: What’s Good?

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


Hi - We have some projects within reasonable reach of ILFI's Zero Carbon Certification, which will require purchasing some off-site renewable energy. As a State Building Code Council member, I'm also eyeing the Zero Code which we will seriously consider in the next 12 months; this also requires a purchase of off-site renewable energy. 

I... Read more

In an effort to share expert knowledge on the topic of whole building LCA, we are continuing our expert guest webinar series, addressing the topic of steel on March 19th at 1PM EDT. Michael Gryniuk PE, with LeMessurier and SE 2050, will be joining us to share his strategies for reducing the embodied carbon of steel. This webinar is particularly... Read more

Some of you saw my 5-minute presentation about the Rich Earth Institute in Brattleboro, Vermont and how it is inventing new ways to keep excess nutrients from urine out of surface waters and use them instead as fertilizer. Now you can also hear about it on Planet Money: https://www.npr.org/sections/money/2018/01/26/581156723/episode-820-p-is... Read more

Hi SDLers,

We’re really looking forward to connecting with many of you in a few weeks for the Summer Summit. Those of you who have registered are now actively helping to set the agenda--as always, it will be filled with rich conversations and connections.

For a range of reasons--new patterns due to the pandemic, the economy, your... Read more

Environmental, social, and governance (ESG) reporting is an increasingly common expectation throughout financial sectors, and the real estate industry is no exception. 

This live webinar with our friend Chris Pyke, Ph.D., a senior vice president... Read more

Hi All:

Several of us have been meeting on a weekly basis to discuss LMN's Path to Zero Carbon Series. Each week we have a new facilitator who leads the discussion of a single post. We've had great discussions and are creating "Call to Action" items for each post to amplify the message..."It's not about the glory, it's about the ripples... Read more

Hello everyone,

Wondering if anyone has evaluated/considered/specified wood fiber insulation for use in lieu of mineral wool as the exterior wall insulation?  Am mostly looking to better understand domestic availability, r-value and fire/combustibility.

We have a multi-family building in DC where the client is interested in using... Read more

Has anyone seen a comparison between IECC 2021 and previous versions of the energy code, including ASHRAE 2010? I'm curious how far ahead code buildings are relative to LEED v4.0, and how much the latest IECC raises the bar relative to the previous. I did a quick search for the LBNL and other studies that look at this, but didn't see anything... Read more