The authors would like to thank Paul Stutzman of BFRL for assistance with the scanning electron microscopy, V. Waller and F. De Larrard of Laboratoire Central des Ponts et Chaussees for supplying experimental adiabatic heat signature data and material samples, and the Army Waterways Experiment Station for supplying materials and partially funding this research. SR would also like to thank the Centre Scientifique et Technique du Bâtiment and the Agence de l'Environnement et de la Maîtrise de l'Energie for partially funding this research.