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To completely eradicate the strong skin that falls off, find a decoration master to carry out the construction, and then select high-quality putty powder, high whiteness, good water resistance, no peeling, no peeling putty powder, and re-paint the construction, so that the falling off place can be repaired and treated, and the new wall skin can be better aesthetic and better quality.
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Situation 1: Remove the peeling part and scrape the putty again; Remove the problematic area and smooth the edges of the removed part, then scrape the putty again, apply primer, and brush again, but there may be a little color difference from the original wall.
Situation 2: Reinforcement of the base layer; If the local spalling is serious, the original wall will be removed to the wall base, repainted with an interface agent or sealing primer, and then leveled according to the plaster, pasted with mesh cloth (reinforced and cracked), and scraped the wall lining three times after grinding and smoothing, the quality of the entire base will be much better at this time.
Situation 3: Direct brushing and covering; If there is no chalking or falling off (indicating that the quality of the original putty layer is better), you can directly use fine sandpaper to polish and smooth it and brush it with a new primer and topcoat.
Situation 4: Refurbishment; All the shoveling to the cement layer needs to be shoveled to the surface of the brick wall, and then the wall is fully constructed and renovated: leveling the wall - curing the base layer - brushing the interface agent - scraping the water-resistant putty three times - grinding the wall - applying the primer - applying the effect topcoat twice.
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1. If the area of the wall skin is not very serious, you can tear off the wall skin, and then apply it again with putty water, and then use a certain scraping tool to scrape it flat. 2. If the peeling off of the wall is very serious, it is recommended that the user remove the wall to the base position of the wall, and then re-apply the falling wall with an interface agent, and re-repair and scrape with the special gypsum and scraping tools for wall stucco, and stabilize it within three times. 3. Remove the wall surface with the most serious peeling off of the wall skin, and then ask the decoration company to come to decorate.
Relevant knowledge popularization: In the process of wall decoration, a comprehensive inspection and cleaning should be carried out on the base layer to ensure that there is no place to repair the base wall, and then the overall wall should be wetted. After that, the wall is applied with special wall painting tools and materials to ensure that the application is smooth and smooth.
Then use putty water with a special scraping tool to scrape the surface comprehensively, pay attention to the number of scraping, should not be more than three times. After the comprehensive application with a roller, before the application should pay attention to the proportion of materials and water, to ensure that the proportion configuration is in line with the wall painting, in this process, the decoration workers need to achieve the uniformity of the wall painting, in order to prevent the wall surface in the later stage of the uneven situation.
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If the wall skin is only partially peeled off, then we can remove the problematic area, then smooth the edges, and then scrape a new layer of putty, apply primer, and brush well, which may have some color difference with the original wall; If you don't want to do this, then we need to do a reinforcement for the base layer, the original wall surface is removed to the base surface, and then repainted with a solid primer or interface agent, and the wall surface should be smoothed after polishing 3 times according to the previous painting wall, so that the quality of the base layer will become much better.
If you don't like these two methods, then you can choose to use the way of painting and covering to solve the problem of wall peeling, soak a piece of the wall peeling with water, shovel it clean, if there is no chalking or falling off, it means that the quality of the original putty layer is better, and you can use fine sandpaper to polish and brush the primer and paint surface, which will save a lot of trouble.
Although this method is simple, it is still necessary to deal with the base layer first, so that it can be more convenient to use, if you want to repair the peeling wall skin by yourself, it is best to consult the seller when buying the wall paste and wall paint to learn the operation method of the wall, so that the wall will not be destroyed, and the trouble will be directly found by a professional, which will be more convenient.
If you think it is more troublesome to do this, then you might as well try to use the wall sticker, this method is more suitable for friends who are more humid at home, because the damp home even if the new paint has just been painted, it will also appear here because of the passage of time, so we can try the wall sticker This method, although there are many types of wall stickers, but they can effectively protect the wall, prevent moisture and repair the phenomenon of wall skin falling off.
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1. First of all, the Youzheng chain will remove the part that falls off, and then smooth out the edge of the part, scrape the putty again, apply the primer, and then brush and repaint, but there may be a little color difference with the original wall.
2. If part of the fall off is very serious, then shovel the original wall to the base of the wall, repaint it with interface agent, and then use stucco plaster to level, paste the mesh cloth, scrape the wall lining three times and then polish it flat, and the quality of the entire base layer will be much better at this time.
3. Choose the most serious and worst wall surface, and then use a shovel to produce a shovel, if there is no pulverization or no falling off, you can directly use fine sandpaper to polish and smooth it and brush it with a new primer and topcoat.
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First, the cause of the problem.
1. In the hot summer, for the buildings with large lighting area and insufficient air circulation and the wall directly exposed to sunlight, the temperature is too high, and the water-soluble salts crystallize on the surface of the wall (aging, oxidation, weathering) to cause discoloration and fading, color peeling and even cracking, and secondly, the use of air conditioning causes the temperature difference between indoor and outdoor, resulting in the expansion or contraction of the wall surface, and also causes local wall peeling.
2. One is that when the wall foundation is wet, if it is not completely dry, the paint will be painted, and the other is that the wall is damp due to the high moisture in the air during the rainy season, both of which are moisture infiltrating into the paint surface and causing the paint film to lose its adhesion, resulting in peeling and falling off.
Second, the solution.
1. Generally, there will be a process of foundation settlement in a new house for one or two years. During the settlement process, the wall stretches, which will cause wall cracks or wall peeling and cracking. In the process of foundation settlement, do not rush to partially repair the wall, it is best to wait for the settlement period of 1-2 years to gradually stabilize before starting to repair the wall.
2. When the developer delivers the house, the wall is smoothed with plain ash, and the workers must shovel off the plain ash of the base layer and re-brush the primer when painting the wall.
3. Peeling and cracking of the small area of epidermis. Shovel off the peeled part and the surrounding wall skin, and fill it with the same color paint; If the decoration is brushed with latex paint, it is best to use the same method of brushing glue for the second treatment, which can reduce the color difference between the part and the whole.
4. When the sun is more severe, the sunny wall is blocked by blackout cloth curtains, and pay attention to the balance between wall cooling and internal and external room temperature; During the renovation construction, high-quality latex paint with anti-aging and light-resistant is selected.
5. Avoid painting projects when the humidity is high in spring and summer, and if the construction is unavoidable, the spray gun method can be used to speed up the drying (it takes about seven days for the coating film to completely dry and achieve the best effect); The damp wall will be removed from the original wall.
6. Apply glue on the wall to increase the adhesion of putty, so that the construction is carried out according to the normal process, pay attention to wait for the wall to be fully dry before proceeding to the next process, the putty is best to use waterproof type, and the wall paint is best changed to elastic and scrub-resistant.
7. Directly roll brush topcoat to cover the part, if it is a simple fading, it is generally recommended to take the way of rolling brush, covering a new round of primer and similar topcoat, but before construction, you need to judge the quality of the putty layer of the wall at this time: choose the worst piece of the wall to fade with water and then use a shovel to produce a shovel, if there is no chalking or falling off (indicating that the quality of the original putty layer is better), you can directly use fine sandpaper to polish and smooth the treatment and brush the new primer and topcoat.
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How to deal with wall peeling. If this happens, if you don't know how to do it yourself, go to a professional to repair it, which is better, because if you do it yourself, you have to call someone again if you make a mistake, so it is better to call someone to deal with it directly.
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I guess it's a big white can't do it, clean up the big white and do it again! If it helps, thank you.
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