Facility Management News: Technical sanitary systems: Restrictor


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Restrictor transforms existing urban flat roofs into “passive blue roofs”. It is designed for use with existing roof drains and fits around existing drains on a flat roof without modification. The vertical weirs have variable currents based on the rainfall intensity of the storm. It’s made from 1/4-inch thick carbon steel with up to 90 percent recycled content. A black, non-toxic coating prevents corrosion and prevents nesting.

More from March 1st, 2021 in FacilitiesNet

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