The copper drain flange is welded to a copper drain stem pipe. A heavy-duty cast aluminum strainer dome and clamping ring provide strength and durability. The patented technology of the U-Flow Seal provides a mechanical watertight connection. Also available with plastic or cast aluminum SuperDome, in 3", 4", 5", and 6" sizes.

Features & Benefits

• 3" and 4" are manufactured from 0.032" spun-punched copper; 5" and 6" are manufactured from .050" spun-punched copper.
• Extra large flange - 171/2", with depressed sump area.
• Cast aluminum strainer dome and clamping ring.
• 12” long drain stem.
• Incorporates the patented technology of the U-Flow Seal
• Also available with plastic or cast aluminum SuperDome and OverFlow, FlowControl or QuickFlow attachments.
• Simple and easy to install from rooftop.

Application

OlyFlow RetroDrains are designed to replace existing drains in reroofing applications. Installed from the roof surface, the OlyFlow RetroDrains are engineered to be installed without removing the existing plumbing or fixture while providing a watertight connection to the roof system and the existing plumbing.