Standard Retrofit Roof Drains

One-piece spun Aluminum body with Heavy-Duty dome strainer & clamping ring for
years of long-lasting durability. Featuring the USMS DS (Double Seal) No leak
mechanical Water-Tite seal (Patent pending)! Currently Standard Retrofit Roof
Drain is designed to mechanically expand both the Upper Seal to tighten firmly
to the drain’s stem and the Lower Seal to the inside of the actual drainpipe
in which it is inserted, simply by turning 4 screws perpendicular from one
another, each an equal number of turns so that it seals evenly to both the
drain itself and the actual drainpipe.
Material: Aluminum
Drain Body: 11 Gauge (.125) spun aluminum
Flange: 17.5″ diameter with sump area
Clamping Ring: Cast aluminum

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