Landscape Architect & Specifier News

JAN 2019

LASN is a photographically oriented, professional journal featuring topics of concern and state-of-the-art projects designed or influenced by registered Landscape Architects.

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Page 48 of 117

Left: Vegetated, or green roofs, like this one at the Aleutian Spray Fisheries headquarters in Seattle, can help meet the city's building code requirement of 30% plant coverage in commercial zones. This installation used metal edging to create clear separations between planting zones, and define locations for maintenance personnel to deadhead the spent blooms from certain swaths of sedums. Right: This is one of five green roofs located at the Silver City Townhomes in Milwaukee where approved projects received up to $5 per square foot from the Metropolitan Sewerage District Regional Green Roof Initiative. Each roof is 2,315 square feet in area. Pre-vegetated mats with only 1.25 inches of growing medium from Xero Flor Green Roof Systems were used along with two layers of lightweight, 1/4-inch water retention/filter fleece. PHOTO: XERO FLOR AMERICA January 2019 49

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