What To Clean The Walls With Before Painting. If you are painting the walls yourself and want to omit the step of washing walls as part of the preparation, the surfaces should meet at least most of the. When using any kind of cleaning product on a painted wall, test it by applying a small amount to a remote part of the.
For tough grease stains, he suggests using a tsp (trisodium phosphate) cleaner;
If your wall has some marks, richter says to use a rag and a household cleaner to wipe the area. Cooking causes grease to become airborne and settle on walls and even the ceiling. If you're painting an entire room, first paint the ceiling, then the walls. There are specific times and situations it is needed.