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PROJECT
| exteriors
The Wharf Ties Riverfront To Rooftops A riverfront neighborhood leverages green roofs to manage stormwater and support sustainability. The vegetative roof assemblies atop buildings throughout The Wharf and at ground level are integral to complying with the District of Columbia’s mandates for managing stormwater runoff. All photos courtesy of the Hoffman-Madison Waterfront.
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tretching for nearly a mile along the shore of the Potomac
membrane assembly (PRMA) systems for vegetative roofs on several
River in Washington’s Southwest quadrant, The Wharf is
buildings throughout The Wharf area.
a mixed-use development that includes elevated spaces for
While the vegetated green roof assembly for each building fea-
gathering using a network of green roofs. Each building’s green roof
tured unique plants and landscaping, the design concept and materi-
also adds interest to the skyline with a variety of foliage and green
als were selected to manage stormwater runoff. PPSI and Owens
spaces.
Corning had previously developed the PRMA assembly for the U.S.
Roofing contractor James Myers Co., Beltsville, MD, worked with Preservation & Protection Systems (PPSI), Laurel, MD, and Owens Corning, Toledo, OH, to design and install protected roof 32
MARCH 2019
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Coast Guard headquarters, Washington, and were pleased with its performance. “Since its installation at the Coast Guard headquarters in 2013,
