How To Touch Up Satin Wall Paint. Always paint a test patch of the selected colour on your wall. Apply a fresh coat of paint on the wall.
Certain paints will react poorly to deglossing agents, but this method works well on most enamels and epoxies. Cut the paint with some tap water.
A Paint Pro Shares 4 FailProof Tips For Selecting White
Dry rolling is an application technique that minimizes the amount of product built up over the original finish. Even flat oil and alkyd will flash if you try to touch up in the middle of a wall or ceiling.