R1640 Parapet Scupper Sleeve Home » Products » R1640 Parapet Scupper Sleeve MIFAB® R1640 Series parapet scupper sleeve with lacquered cast iron body, fixed combination flashing flange and membrane clamp and adjustable parapet wall flange. Specification Sheet Catalog Catalog List Pricing Current Catalog: MPB-2022 Downloads Downloads Rainfall Rates U.S. Cities Roof Drain Selection Guide Roof Drain Specifications Typical Roof Drain Installations Outlet Selection Guide Return to Products