RG2016DGC Cast Iron Roof Scupper Home » Products » RG2016DGC Cast Iron Roof Scupper MIFAB® RoofGuard Model RG2016DGC cast iron replacement scupper drain with an extra large, horizontal slotted, free area drainage design. The RoofGuard has a 10 year limited warranty. SKU: RG2016DGC Catalog Catalog Current Catalog: MPB-2022 Downloads Downloads Rainfall Rates U.S. Cities Roof Guard FAQs Watch Video! Return to Products