Coated cast-iron roof drain, square heavy-duty ductile iron undergrate with Nikaloy top grate set in square secured frame, non-puncturing flashing collar with weepholes, for 2″ roof fill, small sump with roof flange and bottom outlet.
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Josam 23740 Roof Drain – with Small Sump & 8″ Square Heavy Duty Nikaloy Promenade Top Specification Sheet
