Links to online resources about energy-saving roofing systems are listed below.

Heat Island Group
Lawrence Berkeley National Laboratory
Berkeley, Calif.
eetd.lbl.gov/HeatIsland/

Building Envelopes Program
Oak Ridge National Laboratory
Oak Ridge, Tenn.
www.ornl.gov/sci/roofs+walls/

This Web exclusive information is a supplement to Selecting correct coatings—part 1.