Specialty Roofing Products

Heavy-Duty TPO RetroDrain

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. The Heavy-Duty TPO RetroDrain is equipped with a heavy-duty cast aluminum strainer dome for strength and durability and incorporates U-Flow® Seal technology providing a mechanical watertight connection to PVC or cast iron pipes.

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