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How to easily and cost-effectively deal with moldy walls without calling a professional?

If you notice mold spots on your walls, there are several ways you can address the issue.

10 March, 2024

When it rains a lot or the weather is consistently damp, the walls of the house are prone to mold. It not only affects the aesthetics but also the health. To deal with damp and moldy walls, you need to determine the underlying cause. If the walls are cracked or waterlogged and feel wet to the touch, it is advisable to call a repairman as this condition can occur throughout the year and cannot be easily resolved with simple methods. You are required to treat the walls with waterproofing. Meanwhile, if the walls are damp due to humid weather, you can handle it yourself using the following methods.

Using alcohol

Alcohol is a special ingredient that has disinfecting properties. When injured, alcohol is usually used to disinfect. Similarly, you can use alcohol to disinfect any necessary objects. When the walls are moldy with a relatively small area, use alcohol to clean them. Alcohol will help eliminate mold and bacteria.

Dilute alcohol with water and apply it evenly to the moldy area. Wait for about half an hour for the mold to deteriorate, then wipe it clean with a towel. Finally, use toilet paper to blot a little water and use a hair dryer to dry it thoroughly.

Using bleach

Bleach is a commonly used cleaning agent in daily life. You can buy this bleach at grocery stores and supermarkets. Usually, bleach is used to remove stains from clothes. In addition, you can use bleach to remove mold stains on walls.

Dilute the bleach solution with water at a ratio of 1:2. Use a roller brush dipped in this mixture to apply it to the moldy areas of the wall. Then, use a brush with mold stains. When the mold stains are clean, wipe the walls again with a towel. Finally, use a fan to blow air on the wall and open doors to allow the wall to dry and the chemical odor to dissipate quickly.

During this process, it is advisable to wear gloves to protect your skin from chemicals.

Vinegar and baking soda

Mix vinegar and baking soda into a thick paste. Use a brush dipped in this mixture to scrub the damp and moldy areas of the wall. Leave the mixture on the wall for 10-15 minutes, then rinse with clean water and let the wall dry.

Soap

You can use soap to remove fresh mold spots on the wall. Dissolve soap in water at a ratio of 1:3. Dip a brush into the solution and scrub the moldy areas of the wall. Then, use a damp cloth to wipe the wall clean. Turn on a fan to blow air on the wall until it is completely dry.

Hydrogen peroxide

Hydrogen peroxide, like alcohol, is often used to disinfect wounds. You can use hydrogen peroxide to clean mold stains on the wall. Spray pure hydrogen peroxide solution onto the moldy areas. Wait for about 10 minutes for the hydrogen peroxide solution to penetrate the mold stains. Then, use a cloth to wipe the wall dry.

When the walls are moldy, you should deal with them as soon as possible. This way, the mold stains will be easier to clean.

Source: Xe và thể thao

Frequently asked questions

Mold on walls not only impacts the aesthetics of your home but also poses health risks. It can cause allergic reactions, respiratory issues, and even lead to more severe health problems over time. Additionally, mold can damage the structural integrity of your walls and indicate underlying water damage or leaks.

To address damp and moldy walls, start by identifying the underlying cause. If the walls are cracked, waterlogged, or feel wet, it’s best to call a professional repairman. This indicates a more severe issue that requires expert attention. For walls that are damp due to humid weather, you can try some DIY methods to remove mold and prevent further growth.

Waterproofing your walls is a crucial step in preventing mold. You can use special waterproofing paints or coatings designed for this purpose. These products create a barrier that repels water and prevents moisture from seeping into your walls. Make sure to follow the manufacturer’s instructions for proper application.

Yes, alcohol is an effective disinfectant and can be used to clean moldy walls. Dilute alcohol with water and apply it to the affected areas. Let it sit for about 30 minutes to break down the mold, then wipe it clean with a towel. Finally, blot any remaining moisture with toilet paper and use a hairdryer to ensure the area is completely dry.

Bleach is a common household cleaning agent and can be effective in removing mold stains. Dilute bleach with water at a ratio of 1:2 and use a roller brush to apply it to the moldy areas. After cleaning the stains, wipe the walls with a towel and use a fan to accelerate drying while also ventilating the area by opening doors. Always wear gloves when working with bleach to protect your skin.

Mixing vinegar and baking soda creates a powerful natural cleaner. Combine them into a thick paste and use a brush to apply it to damp and moldy areas. Let it sit for 10-15 minutes, then rinse with clean water. This method is safe and effective in removing mold and preventing its return.

Yes, soap is effective in removing fresh mold spots. Dissolve soap in water at a ratio of 1:3 and use a brush to scrub the moldy areas. Then, wipe the walls with a damp cloth and turn on a fan to ensure complete drying.

Hydrogen peroxide is another effective disinfectant that can be used to clean mold stains. Spray pure hydrogen peroxide solution onto the moldy areas and let it penetrate for about 10 minutes. Then, use a cloth to wipe the area dry.

It’s important to deal with moldy walls as soon as possible. The faster you address the issue, the easier it will be to clean and prevent further growth. Mold can spread quickly, so taking prompt action is crucial in maintaining a healthy and safe living environment.

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