Electrostatic painting is a specialized application using urethane coatings that takes advantage of an imposed electrical field generated between spray gun electrode and work surface. The process applies a positive charge to the paint while the item being coated is grounded, thereby producing electrostatic attraction. The benefit to this process is the capability to paint multi-sided or rounded objects from one direction with a uniform finish. The resultant coating has an extremely smooth finish.

Obviously this technique can only be performed when weather conditions permit. Some situations may call for the use of gravity-fed conventional spray guns.