![Philadelphia Navy Yard Featured Image](http://www.greenroofs.com/wp-content/uploads/2018/09/pa_navy_yard1.jpg)
Additional Resources
Read about Carlisle Syntec and Sempergreen in The Greenroof Directory.
The Philadelphia Navy Yard greenroof was completed on October 26, 2012.
Map:
Read about Carlisle Syntec and Sempergreen in The Greenroof Directory.
The Philadelphia Navy Yard greenroof was completed on October 26, 2012.