Specification 23730 Series coated cast iron Roof Drain, round pedestrian grate set in square secured frame, non-puncturing flashing collar with weepholes for 2" roof fill and small sump with wide roof flange and bottom outlet.
Application Used on smaller sized promenade decks and roofs where foot traffic or light vehicles may be present. Smaller round grate set in a square frame provides ample free area for proper drainage with narrow slotted openings for pedestrian safety and to intercept debris. Flashing clamp holds the membrane or flashing securely to the drain body.