Products / Aluminum Scupper Drain
Aluminum Scupper Drain
A spun-aluminum drain with its flange bent at 90 degrees for flashing into a side wall, made to connect from the roof surface to existing through-wall, side-wall or scupper drain pipes during reroofing without removing the piping. It seals into the pipe with a ProSeal rubber seal tightened by compression bolts, comes with a cast iron clamping ring and strainer, and is offered in 3 in. and 4 in. sizes with standard or 22 in. outlets and an optional TPO coating. Marathon's product listing files it under new installation and direct connect drains, while the page describes it as a reroofing replacement for existing piping.
Sources
- marathondrains.com verified 2026-09-26