R1150 Combined Small Sump Roof Drain and Secondary Overflow System

MIFAB® R1150 Series combined roof drain and secondary overflow system, consisting of a one piece lacquered cast iron drain body with integral sump receiver, cast iron waterproofing membrane clamp rings with integral gravel stops, one 2 1/2" (64) high integral cast iron overflow standpipe and two self-locking metal dome strainers with a free area of 43 square inches each.