All you have to do is : get a wet paper towel and then wipe the wall down gently and if it is rough then scratch it off
The best way to clean walls is using TSP. Follow the package directions for how to use it.
mixture of water and household bleach
Paint with bleach and then clean with high pressure hose
If you had three out of four walls painted red, as a set they would be incongruous.
Frescos are painted directly onto damp plaster on walls.
egyptians painted gods and goddesses on tomb walls.
depends if you have painted walls if you don't just use cleanser but if you do sorry
depends if you have painted walls if you don't just use cleanser but if you do sorry
Ceiling and walls.
they painted on the walls of there cave
You can use a multipurpose cleaner. Just be sure that it is well diluted enough, so that it doesn't remove the paint by testing your cleaning solution in a small inconspicuous area. If your ceiling is textured, be sure to use a sturdy piece of cloth that won't fall apart.
Use the product called goo gone it cleans up most stains,spots,etc and will not harm the paint on your walls.