Heavy-Duty TPO RetroDrain
One-piece spun aluminum body, TPO-coated flange and depressed sump area.
Designed for use in single ply TPO roof systems to replace existing drains in re-roofing applications. The one-piece spun aluminum body has a TPO-coated flange for direct hot air welding of TPO roof membranes. The drain flange has a depressed sump area for improved flow and to facilitate drainage.
One-piece Seamless Body: 0.125" (3 mm) spun aluminum with 12" (30.48 cm) drain stem length, and an extra large 17.5" (44.45 cm) diameter TPO-coated flange, compatible with most TPO membranes.
Strainer Dome: 7" (17.78 cm) tall cast aluminum strainer dome that is easy to remove for cleaning.
U-Flow® Mechanical Seal*: Provides a watertight connection to PVC and cast iron pipes.
* Watertight U-Flow® Mechanical Seal requires U-Flow screwdriver, sold separately