Landscape · L-8KSWN

Greenroof Edge Restraint

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Elements

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An extensive green roof assembly terminates at a continuous three-eighths-inch stainless steel slotted edge restraint anchored over a root stop, protection course, and waterproofing membrane. Permeable filter fabric extends beneath the lightweight planting soil and fastens to the edge restraint with a one-inch stainless steel compression bar positioned below the final soil level. A drainboard sits below the filter fabric over the membrane. A vegetation-free zone is maintained adjacent to the edge restraint.

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