Roof Drains: Proliner Made of 20 oz. copper flange and malleable alloy outlet, the Proliner Drain is the only drain in the industry that provides multiple seals for water back-up prevention. Available is sizes of 2", 3", 4", 5" and 6". Listing Back To Top Design Visualizer Previous Next Design Visualizer CADdetails™ You need to be logged in to view & download files. Login/Register New to CADdetails? Register to enjoy full access to unlimited 3D models, CAD drawings and specifications. It's free! Downloads Architectural Product Information About Specs Media CAD Toolbar CADdetails™ Download All Manage & Share Website Share Add to Project Favorite User Feedback