If your backflow has been sitting for a while the weather and sunlight are going to lighten the color. Coupled with the rain and oxygen which is going to oxidize the metal which the backflows are made of, causing the backflow to become unsightly. not only to you but everyone that rides by and sees it. If this is happening or has happened to you, we offer our additional painting service to restore color to your backflow so that it will always be painted and looking good and protected from oxidation.