I'm the Director of Sustainability at Columbia Construction.  We're headquartered in the Boston area and primarily work in the Northeast.  Along with the typical challenges of projects and evolving rating systems, I'm looking forward to learning and sharing strategies for corporate sustainability progress.

This past year I'm proud to... Read more

Mark your calendars! Wednesday March 9th, 3-4pm ET (12-1pm PT) - Sustainability Leaders State of the Regions.

We’ve seen a lot of momentum building around the potential for regional Sustainability Leaders groups, and we want to learn how best to support this activity. On this call, we’ll have a few currently active regional groups share... Read more

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We made a mistake when upgrading our website, and the page was lost. Your browser session expired (e.g. you were interrupted while making a purchase and then came back to it hours later). The content is so out-of-date that our editors decided it was... Read more

Hello - Other than hiring an acoustic consultant, I am wondering what in-house tools you are using internally at the design stage for modelling acoustic performance? 

Thanks, Mona

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