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Hello! The situation you mentioned can only show that the "white ash" on the wall is a layer of putty, not white cement. Due to the developer's cutting corners, too little binder is added in the putty, or the quality of the binder itself is problematic, resulting in the lack of adhesion and due strength of the putty layer, which will make the putty layer relatively loose, and the white powder will stick to the touch of the hand, and the clothes will also be stained with this powder when the body leans up.
The solution to this problem is to remove this layer of putty when decorating, and then use construction glue to roll and brush it again, and then scrape the putty again. The binder in the putty should not be too little, and an appropriate amount of white latex should be added, so as to avoid similar situations.
If you don't want to decorate now, and you want to solve this problem for the time being, then you can buy ordinary construction glue (such as 801) and roll the glue evenly onto the wall, and it will not be like this when it dries.
If you find it helpful to you, then please give it, thank you!
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If the white wall is blackened, there are 5 ways to remove the stains on the white wall: 1. Remove it with toothpaste + white vinegar; 2. Remove with bleach; 3. Remove with baking soda; 4. Remove with sandpaper or blade; 5. Repaint the wall.
1. Toothpaste + white vinegar.
The toothpaste contains a brightener that can whiten the blackened wall, and white vinegar can soften the dirt for easy cleaning.
How to use: Stir the toothpaste and white vinegar evenly and pour it into the watering can, spray the mixed solution on the blackened white wall with the watering can, wait for a few minutes, and then wipe the wall back and forth with a dry rag until the stain is completely removed.
2. Bleach.
Bleach contains some chemicals, which can be used to bleach through oxidation reactions, and some shallow marks on the wall can be treated with bleach. How to use it: Put bleach on a rag, then gently wipe the blackened part of the wall, and try several times to remove the marks.
Note: Be sure to deal with the white wall as soon as it is blackened, otherwise the stain will be difficult to remove if it seeps into the wall.
3. Baking soda.
Baking soda has a good decontamination and whitening effect, and stains on white walls can be slowly faded after being treated with baking soda. How to use: Stir baking soda and water together and pour it into the watering can, and then spray the black place on the white wall with the solution, without wiping, and wait for the traces to fade slowly.
4. Sandpaper or blades.
If the stain area is relatively large and cannot be removed by the above methods, you can use fine sandpaper to directly polish off the wall stain, or use a knife to gently scrape off the black stain.
5. Repaint.
White walls are different from colored walls, there is no serious color difference problem, if the blackened area is too large, you can choose to directly repaint to cover up the stains.
Causes and remedies for wall peeling:
1. Water leakage and water seepage.
The waterproofing effect of the wall is poor, and if it is soaked in moisture for a long time, the wall skin will be damaged. Remedial cherry tree excavation method: It is necessary to find out the leakage and seepage points, and then shovel off the peeling after treatment, and repair it with putty spinal nucleus powder or repair ointment.
2. Anti-alkali appears.
After the first construction of the wall, the next step of construction is done before it is completely dry, so as to precipitate alkali salts. Remedy: Shovel off the anti-alkali part and shovel a few more times, then scrape the gypsum powder or repair paste mixed with white vinegar, and finally wait for the paint to dry thoroughly.
3. Waterproofing is not done.
The waterproofing of the ground and wall is not done, so that the water infiltrates and damages the wall, especially the bathroom floor, wall or ground on the first floor, lighting and waterproofing are the focus. Remedy: If the wall is not damp and not serious, you can remove it by yourself and remedy it with repair cream, if it is serious, it is recommended to remove the original wall, do a good job of waterproofing, and then scrape putty and paint.
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Prepare a container, squeeze a few pieces of toothpaste into it, then drip a few drops of alcohol, and finally pour in some white vinegar and stir it with chopsticks, stir well, pour it into a watering can, and spray it on the blackened wall. Prepare an eraser and use the eraser a few times in the blackened area. Use sandpaper to gently rub the blackened wall.
Use a latex paint brush to repaint the blackened area. <
1. Prepare a container, squeeze a few sections of toothpaste into it, then drop a few drops of alcohol, and finally pour in some white vinegar and stir it with chopsticks, pour it into the watering can after stirring evenly, and spray it on the blackened wall.
2. Prepare an eraser and use the eraser a few times in the blackened area.
3. Use a latex paint brush to repaint the blackened area.
4. Use sandpaper to gently rub the blackened wall.
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The wall is dark because a certain amount of humidity and dust are added together and formed over time. Such a problem is serious because it affects not only the aesthetics of the room, but also the health. The black spots will house bacteria and viruses and allow them to multiply in the room.
So, we need to take steps to get rid of the black spots. Here are some suggestions:
1.Clean the wall: Use warm water and soap to clean the wall.
If there is grease on the wall you are cleaning, then you can use baking soda to clean it. Make sure you move all the items around the wall to another location before cleaning the wall. Use rubber gloves to avoid the adverse effects of soap and baking soda.
2.Use a disinfectant: These weather conditions are humid, so adding some disinfectant or vinegar can remove stains and bacteria from the walls. Mix a few spoonfuls of disinfectant or vinegar in a bowl and wipe against the wall using a dishcloth.
3.Painting the wall: If the wall is dark and not easy to clean, then you will want to buy a bucket of Bankxi wall paint and apply it to the wall according to the instructions.
It can hide the black spots on the wall. To enhance the effect, start by applying a white primer to the wall.
4.Use a damp towel to wipe down the wall: Gently wipe the wall with a damp towel every day and change the towel as needed. This method prevents the black spots from re-forming.
5.Keep the air circulating: The formation of black spots is associated with dampness, so keep the room well ventilated. Open the windows to let fresh air into the room, especially on humid days.
In conclusion, it is very important to clean the walls, regardless of the building materials of the room, including wood, drywall or plaster. We need to pay special attention because black spots are often irreversible, so we must find the most effective way to help clean our walls.
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1. Toothpaste + white vinegar. The toothpaste contains a brightener that can make the blackened wall white, and the white vinegar can soften the dirt for easy cleaning. How to use it:
Stir the toothpaste and white vinegar well and pour it into the watering can, then use the watering can to spray the mixture on the blackened white wall, wait for a few minutes, and then wipe the wall back and forth with a dry rag until the stain is completely removed.
2. Bleach. Bleach contains some chemicals, which can be used to bleach through oxidation reactions, and some traces on the wall can be treated with bleach. How to use it:
Apply bleach to a rag and gently wipe the blackened area of the wall, repeating several times to remove the marks. Note: Be sure to deal with the white wall as soon as it is blackened, otherwise the stain will be difficult to remove if it seeps into the wall.
3. Baking soda. Baking soda has a good decontamination and whitening effect, and the stains on the white wall can be slowly faded after being treated with baking soda. How to use it:
Stir baking soda and water together and pour it into a watering can, and then spray the blackened part of the white wall with the solution, without wiping, and wait for the traces to fade slowly.
4. Sandpaper or blades. If the stain area is relatively large and cannot be removed by the above methods, you can use fine sandpaper to directly polish off the wall stain, or use a knife to gently scrape off the black stain.
5. Repaint. The white wall is different from the colored wall, there is no serious color difference problem, and if the eggplant is rubbed black and the area is too large, you can choose to repaint it directly.
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When we scrape off the white paint on the wall, we may find that there are black marks left on the wall. This usually happens quite often and is quite common, but don't worry, we can fix this very easily.
The first step is to check if the wall surface is ***. If the quality of the walls is not good, then they will be easily fragile, so we need to be very careful in the treatment process.
The second step is to prepare the required materials. We need soapy water, rags, fine sandpaper, brushes, paint fillers and wall paints.
The third step is to clean the walls with soapy water and a rag. Soak a cloth in soapy water, squeeze it dry, wring it out and gently wipe the black stains. If soapy water can't remove the stain, we can use fine sandpaper to gently sand the stained area.
But remember not to sand too hard, otherwise it will damage the texture of the wall.
The fourth step is to fill in the walls. After the soapy water treatment, we need to place the paint filler on the mark, scrape the surface of the mark, and let it dry completely. It usually takes about half an hour.
The fifth step is to apply the lacquer and apply the layer of wall paint. When it has dried and filled, we can use a fine brush to brush a layer of lacquer material to cover the wall, not forgetting to pat the newly applied coating before drying, so that a finer effect can be achieved.
If we were careful enough to spend some time fixing it, we could avoid such a headache. It is best to avoid scraping off the paint on the walls, but instead learn how to properly repair and protect the walls, which is very necessary to keep the house tidy and attractive.
First sand off the black with sandpaper, and then use paint to remove the white or other colors!! This can be done in a few years! Maybe you'll change houses in a few years!
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