Roof Drains: Economy Aluminum Our most economical aluminum retrofit drain. Constructed of heavy gauge spun aluminum to withstand climate and the rigors of long-term use. Available in 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