Marathon Roof Drains

Marathon Roof Drains deliver reliable, high-performance drainage solutions for commercial and industrial roofing systems. Whether you're installing a new roof or retrofitting an existing one, Marathons lineup includes aluminum, cast-iron, copper, and plastic roof drains, ranging from standard retrofit drains and Fast Flow models to heavy-duty deep-sump, side-outlet, combo/overflow units, and scuppers. Finished with durable strainers, clamping rings, domes, and accessories, these roof drains ensure efficient water management and help prevent clogs and backflow.