First, you need to generously moisten the wall with water and wait until the layer of plaster is well saturated.
If the layer is thin, you can use regular sandpaper, putting it on the grater before use.
Using progressive circular movements, you can begin removing the old plaster; do not forget to moisten the sandpaper with water.
How to remove dust from walls
Dust removal will help apply glue or paint as evenly as possible to any substrate, since dust particles penetrate into the pores of the surface and prevent the compositions from laying on the wall.
To remove dust from the wall, experts recommend using a special construction compressor.
How to quickly remove old paint from walls
For this purpose you need to have a hair dryer or a gas burner. By directing a stream of hot air to the surface, you need to heat it until the coating swells.
After this, the paint layer can be cleaned off with a spatula. The advantages of this method include the absence of dust, dirt and noise.
The easiest way to remove oil paint from a concrete wall is mechanically using an ax, spatula and hammer.
They hit the wall with an ax, trying to make as many cuts as possible.
Then the surface is moistened with water from a spray bottle and the layers of paint are removed with a spatula, hitting its handle with a hammer.
How to clean walls after renovation
With a damp cloth (if the paint is acrylic and has not yet dried. If it has dried, you can wipe it with a toothbrush or a construction knife).
Nail polish remover (if the wallpaper is paper, vinyl, and the paint is oil-based); a mixture of tooth powder and gasoline or white spirit (for paper, vinyl, laminated wallpaper).
