The Purple-Roof Concept Purple-Roof is a non-proprietary concept for a green roof that incorporates high retention and detention capabilities. This concept, or these specifications, may be seen as a "recipe". 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 Product Info About CAD PDF DWF DWG Printable CAD VWX DXF Specs Specs Download All Add to Project+ Favorite User Feedback Company Resources Back to top Videos Pier 4 Rooftop Terrace Sempergreen - Corporate M… Brochures Maxgreenwall Single-Sided… SemperGreenWall Brochure Support Documents Cradle to Cradle Certific… FAQ-SemperGreenwall