If your walls are covered with water then they can’t be held for future use but here the commercial interior #painting Christchurch painter uses a primer to cover up the wall. The primer can create a fresh coat before the paint which covers down the old color. Also if you intend to paint over semi-gloss, laws, always color then a primer is imperative to end with perfectly painted walls.
https://medium.com/@nzinandout....plastering/how-to-re
