What s the deal with black spots on the wall? It s so ugly, is there any way to get it down?

Method 1 first wipe the place with a clean cloth where there is mildew spots, then mix the copper sulfate and lead potassium alum (available in chemical construction stores) calculated by weight in a ratio of 2:1, put 1 part of ingredients with a glass or bottle container, add 10 parts of water, heat to 40, and then add 7 parts of slaked lime to the solvent, mix into porridge, and evenly coat a thin layer on the wall. About 500 grams of material per square meter.

Method 2 can first coat the wall with impermeable liquid, so that the wall forms a colorless and transparent waterproof adhesive film layer, which can stop the infiltration of foreign moisture, keep the wall dry, and then you can decorate the wall.

If the wall has been damp, you can choose to use a colorful interior wall paint with good waterproofness, and the specific construction method is as follows: first let the damp wall have a drying process of one to two months, and then brush a layer of water-repellent slurry mixed with cement on the wall to prevent moisture.

Secondly, use gypsum putty to fill the pits and hemp surface of the wall, then scrape the putty, and after drying, use sandpaper to smooth the wall, repeat twice, and clean it. Next, the primer can be applied twice on a dry and clean wall with a paint roller, or it can be sprayed.

The main causes of wall mold are as follows.

1. Structural aspects 2, construction aspects 3, environmental factors 4, residents aspects 5, decoration aspects.

How to remove mold from the wall:

1. Wipe off the mold or repaint the wall again, but this method is not very desirable, so that it can only temporarily eliminate the covering effect, and can not ** the growth environment of mold, and after a period of time, the mold will appear again, and it will become more and more serious. Because wall mold is a living bacterial group with strong fecundity, it will multiply and spread rapidly if it does not completely eliminate its growth environment or kill its flora.

2. Thoroughly understand the breeding environment of wall mold; Doing a larger and more thorough wall renovation is laborious, costly, and may also destroy the overall interior decoration.

3. Now there is a better way, that is, to use a very advanced wall mold removal product, which is especially worth recommending, is a product called "quick wall mold remover", the effect of this product is very obvious (this is my personal experience), within a few minutes, the wall black hair, mold, mildew is gone, can be described as "magical", and the effect is long-lasting.

Maybe your home is in the northeast, there is a temperature difference between indoor and outdoor and indoor humidity, and there is no external wall insulation, so you should pay attention to indoor ventilation and it is best to do external wall insulation. Then re-scrape or brush with paint.

You can mash toilet paper and soak it in water to form a paste-like liquid (pulp) and apply it to the wall, which works better.

It's too humid, keep the environment dry!

What you need to prepare: water, baking soda, scouring pad.

1. First of all, look at the black spots on the wall.

2. Then pour an appropriate amount of baking soda into a small spoon.

3. Then dissolve the baking soda into the water.

4. Next, use a scouring pad dipped in the prepared soda to wipe the black spots on the wall.

5. Finally, you can remove the black spots on the wall.

Here are the different ways to deal with different types of stains:

1. For general wall dust, wipe it with a clean towel. If it is a particularly dirty mark, such as black handprints and footprints, you can use an eraser to gently wipe it.

2. If it is a water-resistant wall, it can be scrubbed directly with water, and it can be blotted dry with a dry towel after washing; If the wall is not water-resistant, you can wipe it with an eraser, or use a towel dipped in some cleaning solution to wring it out and wipe it gently.

3. If there are children's crayon graffiti left on the wall, just use a clean cotton cloth dipped in some cream and wipe it lightly to remove it. Because the cream contains an emulsifier, it has a good wax removal effect.

4. The stickers left on the wall should not be torn off directly, it is easy to leave residual glue, you can blow it hot with a hair dryer first, and gently pull it down after the adhesive tape softens.

5. For special dirt for unknown reasons, you can use bread to knead into a ball to wipe it, and you can also wipe it with old woolen socks, sandpaper, etc.

6. For the soy sauce juice on the wall, apply it with 1% hydrogen peroxide, and you can apply it over a large area when it takes effect.

Extended information: Concentrated hydrogen peroxide is highly discoloring and corrosive, and 1%-3% is safe.

In winter and spring, due to the large temperature difference between indoor and outdoor, coupled with the fact that there may be less ventilation by opening windows, the walls of the home are likely to have mildew and mildew. This is also happening on the walls of my house.

Tool material: 84 disinfectant.

How to operate the watering can.

011.Go to the supermarket and buy a bottle of 84 sanitizer and a watering can.

022.Put 84 disinfectant to a little to the watering can. It's about 1:5. If the mold stain has been around for a long time. 84 disinfectant should be put more, the author has used a maximum ratio of 1:1.

033.Put 1 part of disinfectant solution and put 4 parts of tap or purified water. The water quality should be clean, otherwise it will be easy to mold in the future. The ratio of disinfectant and water is adjusted according to the situation, and the effect of more disinfectant is better.

044.First, use a damp cloth or damp towel to wipe the mold spots.

055.After wiping, spray the wall with the mixed 84 solution.

06 Note: The 84 solution must not be dripped onto clothing. The author once accidentally dropped the road suit and didn't pay attention. I ruined a suit the next day, and I was distressed!

076.At the time, the effect was not visible, but when the wall dried the next day, you would find that the wall had been restored.

1.Gently sand it with fine sandpaper, if you are too troublesome, you can renovate the wall or paste appropriate wallpaper on the surface, and hang some wall decorations.

2.Moreover, there are different ways to remove stains on different walls, if it is a pencil mark, scrub it with a soft cloth dipped in detergent if it is paint. Apply a few drops of detergent to a rag and put it on your finger to wipe the stains on the wall repeatedly, and finally wash it off with clean water.

It is common for black spots to appear on the wall, and these black spots can be caused by mold, soot, dust, etc. These black spots not only affect the aesthetics of the wall, but also can have an impact on people's health. Therefore, it is very important to deal with black spots on the wall.

Here's how to deal with it:

1. Cleaning. First, use detergent and water to clean the entire wall, especially the black spots. Then use a sponge or brush to clean and wash 5-10 times repeatedly to make the wall thoroughly clean.

2. Bleaching. If the cleaning is not clean, you can try treating it with bleach. Mix bleach and water in a 1:1 ratio, apply a brush to the area of black spots, rinse off with water after 15 minutes, and take care to protect your body parts with gloves and glasses.

3. Paint. If none of the above methods can be solved, you can consider reapplying the paint. Choose the right paint color and quality, then reapply to the area of black spots. If the color of the wall is mild, you can use a similar color of paint to apply.

4. Details. There are also some details that need to be paid attention to when dealing with black spots on the wall. For example, do a good job of protection, use protective masks, gloves, goggles, etc., to avoid causing harm to the body. In addition, if there is mildew on the wall, it needs to be repaired in time to prevent it from multiplying and spreading.

In short, the treatment of black spots on the wall should vary according to the specific situation, and the appropriate method should be selected to deal with it, but no matter which method is used, it requires patience and careful treatment of Huidahuai to achieve good results. At the same time, it is also necessary to pay attention to daily cleaning, regular cleaning and repair, in order to effectively reduce the appearance of black spots on the wall.

Causes and solutions of black spots on walls.

There can be many reasons for black spots on the walls of a rough house, such as water seepage, dampness, water leakage or mold. If left untreated, these black spots can spread, affecting the aesthetics and health of the wall. Here are the steps to fix the problem of black spots on the wall:

Find out the cause of the black spot and fix it.

First of all, it is necessary to find out the cause of the appearance of black spots. If the house is caused by dampness, you can increase ventilation to keep the room dry. If it is caused by a water leak, it is necessary to repair the defective water pipe or faucet. If it is caused by mold, it can be sprayed and cleaned with a disinfectant.

Clear the black spots. You can use a 1:3 ratio of white vinegar or bleach with some water, dip it in a cloth and wipe the wall. Be careful not to scratch the wall. If you are painting a wall, you need special treatment, you can use a paint mold remover or apply a professional anti-mold paint.

Prevent the recurrence of black dots.

After the black spots are cleared, you need to take steps to prevent them from regenerating. Maintain indoor air circulation to prevent odor and humidity; Do a good job of daily cleaning, keep the rental car burning wall clean and dry; If possible, a purifier can be installed on the air conditioner.

Redecorate the walls.

If the black dots seriously affect the aesthetics of the wall, you can decorate the wall, such as painting, wallpaper, or using decorative stickers.

In short, the black spots on the wall of the rough house need to be found in time, the cause should be carefully investigated and solved, the protection work should be done after cleaning, and the decoration should be re-decorated, so as to ensure the long-term beauty and health of the wall.

Black spots on the wall are a kind of wall dirt, which is mainly caused by the wall not being cleaned for a long time or not being cleaned thoroughly. If not dealt with in time, there will be more and more black spots, which will eventually affect the aesthetics and hygiene of the room. Here are some of the best ways to fix black spots on your walls:

1.Wash the walls.

First of all, to clean the walls, you can clean them with clean and soapy water and detergents. When cleaning with clean and soapy water, you can use a sponge-like scrubbing device to sand and remove dirt from the wall. The cleaner can be cleaned with a general cleaner or a special wall cleaner, and be sure to use it correctly according to the instructions.

2.Renovate old walls.

If the black spots on the wall are more serious and still exist after cleaning, you can consider renovating. To renovate the wall, you need to apply primer and wall paint, and it is best to choose a product with anti-fouling function, which can prevent the recurrence of black spots.

3.Maintain the walls.

Finally, keep the wall clean, clean it regularly, and don't let the wall accumulate dirt, otherwise there will be black spots on the wall. In addition, it is also necessary to pay attention to diet, living habits, etc., to avoid paint and other dirt adhering to the wall.

In short, the black spots on the wall can be completely solved, and they only need to be carefully maintained and cleaned, so that the wall can be kept beautiful and hygienic.

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.