Recent Updates

White or Black?

The author proposes to get back to thinking about the basics of building science. Let’s start thinking about buildings as if there was no air conditioning or heating. What color roof would make the building most comfortable to use? It… Read More

White Roofs, Green Myth?

“The U.S. Green Building Council, Cool Roof Rating Council, legislative bodies and the U.S. Department of Energy are encouraged to reevaluate their stance on reflective roofing. Energy-efficient roofing is a complicated issue, and no one material holds all the answers.”

ERA’s 10th Anniversary

“The EPDM Roofing Association (ERA) is celebrating its 10th Anniversary of service to the roofing industry during 2013. During this anniversary year, ERA will focus on providing advanced science to help clarify the choice of appropriate roofing systems in climates… Read More

Room Membrane Color and Moisture Accumulation

“When designing a roof system membrane color, in addition to other variables such as building conditions, insulation levels and local weather conditions must be considered in order to prevent moisture condensation and subsequent accumulation within the assembly.”

EPDs at a Glance

A new supplement to Environmental Product Declarations (EPDs) offers a faster way to compare environmental impact information. Read full article.

The Cost of Green Building

An in-depth study of 22 green federal buildings across the U.S. showed that on average, the representative buildings chosen from GSA’s regularly outperformed the national averages of building performance data.