Auburn Hills, Mich. (July 15, 2009) – Global glass manufacturer Guardian Industries continued to build its solar glass product portfolio by announcing EcoGuard Pattern Glass, a new low-iron pattern glass designed to maximize solar energy transmission and enhance photovoltaic module performance. EcoGuard Pattern Glass can be used in a variety of applications, including photovoltaic energy systems, solar thermal collectors, greenhouses and other applications requiring high solar transmission and light control.