Sports Facility Green Roof


This facility, designed for a private client, houses an indoor bowling alley and tennis court, and has approximately 3,000 square feet of roof area. Surrounding the building’s rooftop shuffleboard court, is a green roof featuring a rainwater harvesting system that collects and filters 20,000 gallons of rooftop runoff. The runoff is diverted to a pump tank that distributes it for irrigating the estate property, which includes a golf course. The green roof and rain water harvesting system were designed by G.R.A.S.S., a sister company of the Onion Flats collaborative that is revolutionizing eco-friendly green building development in Philadelphia. The building architect for this project was Michael Barclay.

Photo Credit: G.R.A.S.S.

Green Roof



County: Montgomery
Watershed: Darby-Cobbs Creeks

Located in Wynnewood, PA – exact location unavailable per client confidentiality request


Howard Steinberg, AIA (G.R.A.S.S.)
Pinemar Building Inc.




Howard B. Steinberg, AIA, LEED AP
Onion Flats, llc / Plumbob, llc / JIG Inc. / G.R.A.S.S.
111 West Norris Street
Philadelphia, PA 19122

Roof Plan

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