Issue at a Glance

October 2011

Vol 41, Issue 10 Evaluating metal roof assemblies

A number of significant changes need to be made to ASHRAE 90.1, "Energy Standard for Buildings Except Low-Rise Residential Buildings," to meet ASHRAE's goal to provide 30 percent more energy savings.

Featured Articles

Evaluating metal roof assemblies
- October 2011
A number of significant changes need to be made to ASHRAE 90.1, "Energy Standard for Buildings Except Low-Rise Residential Buildings," to meet ASHRAE's goal to provide 30 percent more energy savings.

by Daniel J. Walker, P.E. and Abdi Zaltash, Ph.D. and Jerry Atchley
Digging into green
- October 2011
As urban populations expand, it becomes increasingly important to maintain viable and habitable cities. Southern Illinois University Edwardsville is evaluating vegetative roof systems for residential roofs and the biodiversity that results from installation.

by Bill Retzlaff, Ph.D. and Stephen Ebbs, Ph.D. and Susan Morgan, Ph.D. and Serdar Celik, Ph.D.
The power of Emagine-ation
- October 2011
Wm. Molnar Roofing installs multiple roof systems, including a metal roof system, on Emagine Royal Oak and Star Lanes in Royal Oak, Mich. The unique project presented many safety-related and other challenges.

by Ashley St. John
Charting a path
- October 2011
NRCA will pursue its ambitious legislative agenda when meeting with senators and representatives during its Fall Committee Meetings and Legislative Conference in Washington, D.C., this month.

by Duane L. Musser