The Copper Hercules RetroDrain features an extra large flange with depressed sump for improved water flow, and a heavy-duty cast aluminum strainer dome and clamping ring which provide strength and durability. The Copper Hercules RetroDrain incorporates U-Flow® Seal technology for a watertight mechanical connection. Also available with plastic or cast aluminum SuperDome, in 3-in., 4-in., 5-in. and 6-in. sizes.
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OlyFlow RetroDrains are designed to replace existing drains in reroofing applications. Installed from the roof surface, OlyFlow RetroDrains are engineered to be installed without removing the existing plumbing or fixture while providing a watertight connection to the roof system.
As with all building materials it is the responsibility of the installer to review its usage with a design professional to confirm safety, compatibility and acceptance with the roof cover manufacturer as well as local building codes.
The data below is constant for each Copper Hercules RetroDrain.
Superior productivity. Superior performance.