OMG offers Olympic U-Flow Retrofit Roof Drains.
Olympic Manufacturing Group, Agawam, Mass., offers Olympic U-Flow Retrofit Roof Drains. The drains feature the patented U-Flow seal, which ensures a watertight connection between the retrofit drain and the existing rainwater leader. The seal is also available separately, and can be used to improve the performance of any insert drain. There is a wide range of retrofit and new construction drains available in spun aluminum, engineered co-polymer resins or copper.
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