Outdoor metal needs to be protected from the elements. If a piece of exterior metal wasn't painted properly the first time, or is just very old, the paint will chip and peel away as the metal begins to rust. Painting outdoor metal is not difficult, but you must use the right kind of paint made specifically for the outdoors. How to Paint Outdoor Metal | Hunker Please note: You are currently browsing img garden wind spinner 14 lawn decor yard art outdoor that is 1000x1000px in size. This image is listed in outdoor metal garden decor category. How to Paint Outdoor Metal Hunker, 1000x1000 in 186.39 KB.