Stan Graveline of Sika Sarnafil wrote a great piece defending the use of cool roofs in cooler areas of the country. He does a great job laying out the science, as well as the fact that billions of square feet of cool roofs are installed in northern areas and performing well. Check it out at Professional Roofing magazine.

About this Author

Kurt Shickman is the Executive Director of Global Cool Cities Alliance (GCCA) and the Cool Roofs and Cool Pavements Toolkit.