City of Kalamazoo

City Hall Alternative Roofing System

Kalamazoo, Michigan // 5,200 sq. ft.

Client Challenge and TowerPinkster Solution

The existing rubber membrane roof at Kalamazoo’s City hall was over 25-years-old and in need of replacement. After years of leaks and multiple repairs, the City turned to TowerPinkster to design and install a permanent “green” roofing system.

TowerPinkster first evaluated the existing roof structure which contains three separate levels: a third floor, a fourth floor, and a penthouse roof. Based on the findings, the design team provided five options to the city. It was collectively determined that the best option would involve the installation of a new four-foot deep vegetative roof on top of the third floor. The newly installed roofing system is based on LiveRoof green roof modules which contain pre-vegetation sedums and other engineered soils that lay directly onto a root barrier. The roof is entirely vegetative and has not only alleviated the leaking problem but is more environmentally friendly and provides a pleasant view for fourth-floor offices.

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