RG2016DG Plastic Roof Scupper Home » Products » RG2016DG Plastic Roof Scupper MIFAB® RoofGuard Model RG2016DG polyethylene (with UVinhibitor) replacement scupper drain with an extra large, horizontal slotted, free area drainage design. The RoofGuard has a 10 year limited warranty. Specification Sheet Catalog Catalog Current Catalog: MPB-2022 Downloads Downloads Rainfall Rates U.S. Cities Roof Guard FAQs Watch Video! Return to Products