R1150 Combined Roof Drain and Secondary Overflow System

MIFAB® Series R1150 combined roof drain and secondary overflow system, consisting of a cast iron sump receiver; two lacquered cast iron roof drain bodies with anchor flanges, cast iron waterproofing membrane clamp rings with integral gravel stops, one 4” (102) diameter adjustable ABS overflow standpipe and two self-locking cast iron dome strainers with a free area of 43 square inches each.

Specification Sheet