What type of roof did Surbana Jurong use

The Surbana Jurong Campus, designed by Surbana Jurong in collaboration with architect Moshe Safdie, incorporates a design that seamlessly blends the built environment with nature. The campus features extensive greenery and biophilic design, where green spaces are integrated both inside and outside the building. However, specific details about the type of roof used in the Surbana Jurong Campus are not provided in the available information. The focus is more on the overall design philosophy of harmonizing the building with the natural landscape rather than the specific materials or types of roofing used.