Vitro Architectural Glass (formerly PPG Glass) is dedicated to preserving the natural world, and is proud to provide 19,600 square-feet of Starphire Ultra-Clear® glass, featuring AviProtek® bird-friendly Velour acid-etched finish by Walker Glass, to the Tropical Rainforest exhibit at the National Aviary. In this video, Renovation Services Inc. CEO and Owner Melissa Wiegand describes her past experience with observatories, installation challenges and the benefits of bird-friendly glass.