The Construction Specifier, Apr. 2014, by Ranking Jays.
http://www.constructionspecifier.com/masterformat/reducing-environmental-impact-with-coatings/

"Coatings are in no way meant to replace insulation, but they can make an effective contribution in reducing the downstream environmental impact by reducing energy usage. With new coatings in the market, and more coming in every day, these products are contributing to energy savings and reducing energy dependency."