You have to prime glossy paint if you plan to paint over it. This will help ensure the paint adheres to the wall, and can keep the new color from peeling. Priming may also reduce the amount of paint coats that need to be applied.
You have to prime glossy paint if you plan to paint over it. This will help ensure the paint adheres to the wall, and can keep the new color from peeling. Priming may also reduce the amount of paint coats that need to be applied.