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- Used in flat roofs of any construction where a constant height of water is desired on the roof. It is also used on conventional roofs as a safety overflow, which receives water only when the build-up is greater than the setting of the standpipe. Standpipe type water dam can be cut to achieve various water depths on the roof.
Smith® Overflow Drain, Standpipe, Series: 1074, 4 in Outlet, No-Hub Connection, Cast Iron Drain, 15-1/4 in Dia Dimensions
- CID: cast iron dome
- Wide clamping surface holds flashing and roofing materials without puncturing
- Large low profile dome provides sufficient free area for quick drainage of rain water and protects the drain sump and connected piping from the intrusion of debris
- 102.5 sq-in free area
- Adjustable extension sleeve, reversible collar, PVC. Standpipe, combined flashing clamp and gravel stop
- Note: stated flow rates for roof drains are based on particular test piping configurations and dimensions
- Installed roof drain flow rates cannot be stated unless the attached piping configuration is known and the effects of the drainage calculated
- Connection TypeNo-HubDimensions15-1/4 in DiaManufacturerJay R. Smith Mfg. CoManufacturer #1074Y04 (-CID)Series1074TypeStandpipe