? Precautions for shoveling wall skin Why shovel wall skin?

"Shovel wall skin" refers to removing the original decorative layer of the wall to lay the foundation for the present wall decoration project. Including wall painting, wall brick masonry and other foundation treatment, which belongs to one of the hidden engineering categories. Shovel wall is the first step of family decoration, and it is also a necessary step for many houses. So under what circumstances do you need to shovel the wall? How to shovel the wall skin? Let me take you to know more.

Precautions for shoveling wall skin Why shovel wall skin?

When do you need to shovel the wall?

Scraping porcelain on the wall, loose base and empty drum phenomenon, and the combination of latex paint wall and wall is not firm. The judgment method is as follows:

1. Scraping porcelain on the wall: Strictly speaking, scraping porcelain is a kind of mortar. Sometimes painted on the inner wall, the surface is very flat and looks very good.

However, the water resistance and alkali resistance are not good, and it is easy to pulverize and has poor durability.

2. Putty:

Putty is an important base material,

Inferior putty lacks viscosity,

Poor water resistance,

It will make the paint film peel off and peel off.

Putty can't be brushed until it is completely dry. Spray some water on the dry putty to see if it is softened or crushed.

3. Latex paint wall: loose latex paint at the grassroots level. Draw a cross scratch on the latex paint wall and stick a piece of tape at the scratch.

, and then quickly forcibly tear off, if the tape will tear off the wall, said the paint film adhesion is not good, the old wall must be removed.

Precautions for shoveling wall skin Why shovel wall skin?

Precautions for shoveling wall skin:

1. If the wall skin is difficult to shovel, it may need to be sanded or sanded. It needs to be polished slowly to make the original wall rough, so that the paint to be brushed can be well combined with the wall.

2, slow work out fine work. Although shoveling the wall skin is a manual operation, its quality is directly related to the quality of the next process.

This is what I introduced to you today. I believe that friends have a certain understanding. I hope this article can help you. You can also log in to view and subscribe to more related content and information.