Strictly speaking, the renovation of the wall in home improvement has already included “decoration” and “decoration”, in which the sealing and leveling of the bottom layer and the white coating are the “renovation” category (basic strong, long-term benefit of a construction). Brush paint, wallpaper, modeling wall, etc. can be counted as "decoration" (strong decorative, regular replacement).

In order to facilitate understanding, according to the general home improvement process, I divided the wall from the blank to the paint finish to eight steps for your reference:

The first step of wall decoration [check and treatment of the current status of the wall]

Case 1: Cement wall. This is a common situation when new homes are delivered. A thorough inspection shall be made of whether the cement wall surface to be painted is firm and flat. If the wall is not strong enough or there are large cracks and holes, it is recommended to complain about the developer or property and ask them to redo or repair it.

Situation 2: White walls. Now that many commercial houses are already white walls, the seemingly clean ones may actually be more hidden. First of all, we must check the firmness of the current wall and see if the existing white material is resistant to water. If it is not water-resistant or water-resistant, from a long-term use point of view, rework should be scraped out and, for short-term use, it can be retained, but it is better to do another curing step. At the same time, it should also be checked as a whole whether there is an empty drum on the wall. In the event of an empty drum, it must be shoveled out. Other inspection items are the same as in the first case.

Case 3: The wall has been decorated. The wall surface has been decorated with wallpaper or latex paint, which is a common situation in second-hand housing. In general, the original surface decoration should be removed before the second decoration. If it is a wallpaper, the wallpaper should be removed first. If it is a latex paint, the latex paint should be polished first. After the surface decoration is removed, reference may be made to Scenario 2 to determine if the wall should be scraped.

★ Special instructions:

NO.1 Checking whether the wall surface is firm and smooth is a step of checking the house. Look at the wall is not strong, for the cement wall, you can do this: find a hard point of the object (such as keys, screwdrivers, etc.), draw a stroke in the wall to see if it will draw a pit and dregs serious. There are no shortcuts to finding cracks and holes, but only care and patience.

NO.2 kitchen bathroom water more, it is recommended that the best wall tile, the top wall is best to do ceiling. These two processing methods are not covered in this article, if you want to start later separately.

NO.3 In case of a white wall, check whether the material is water resistant by following the following method: Find a piece of wall, splash a little water, and rub it by hand to see if it will become white pulp. If the white layer can be completely punctured by hand, there is no water resistance. If the hand is covered with white when it is handcuffed, but this layer of white material cannot be destroyed, it means that the material has certain water resistance, so you can find more points to test. When hand rubbed, almost white on the hand is not sticky, it shows that the water resistance is very good.

NO.4 White wall water resistance is not good, but for some reason (such as short-term residence) is not willing to do wall treatment, you should do a good job curing. For details, see step 3.

NO.5 In addition to water resistance, emptying is a big issue that must be taken seriously. Although some developers currently use water-resistant materials (such as water-resistant putties) on the surface, they use inferior gypsum powders for leveling. After a short time, they will show empty cracks. Even longer, they may even appear as a whole. Cracking. In the face of this kind of hollowing, it is best to also shovel out redo! NO.6 Check whether the old wall is solid: 1 visually check whether there is peeling, cracking, drumming, and if it is not strong, 2 find a blunt instrument (such as a small hammer ) Knock on the wall to check for empty drums. If it is not, then it is not strong. 3 After the latex paint is polished off, throw some water and use a spade blade to scoop it down to see if it is easy to shovel off. If it can be shovelled easily, it will not be strong.

Wall decoration second step [finished product protection]

In general, woodworking furniture and tile surfacing should be completed before the wall surface treatment. If the second-hand house renovation, the finished product may be more. In order to prevent the finished products from being contaminated by wall coverings, dust, and paint during the process of wall surface treatment, the existing products in the room should be carefully protected. Otherwise, once it causes damage, it is too late!

★ Special instructions:

The separate listing of protection is a step to increase everyone’s attention. You must not leave any regrets because of the momentary effect, especially when there are some unaccomplished finished products in the home. We have already encountered too many friends who have asked for cleanup methods!

Wall decoration third step [solid layer treatment]

After the first two steps, we are ready enough (if we need to scrape the wall, it should have already been shoveled), and the following can be done to seal the wall. Sealing consists of two aspects. One is the filling of cracks, grooving, and holes. This can be done with repair-type gypsum products. There is also a solidification of the wall base, which is generally done with curing agents. There are also some cases. Need to use a more solidified adhesive (kraft paper) to solve.

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