Yank off any vines, moss, or other plant life covering the concrete. You want the surface to be as clean and bare as possible for the best coating of paint later on. [2] X Research source
This is not as necessary if you are painting outdoor concrete. [4] X Research source
In some cases, paint can take up to 24 hours to dry completely. That is why it’s important to give yourself ample time to complete the painting process.
If you are painting over an old color, or you are working outdoors, you may have better results with 2 coats of primer. Be sure to let the first coat dry fully before applying the second.
