08/21/2026
The new being installed at Harvard University's American Repertory Theater is an excellent example of modern innovation. Sempergreen Group supplied a mat made of mineral wool, which was installed before the green roof media was blown up to the rooftop. The unique characteristics of the mat enhance water retention and plant health. After the mat was installed, Air Pump USA and Xquisite Landscaping installed over 250 cubic yards of green roof media in a short time. This American Hydrotech green roof system will serve the people of for many years to come! 🏥