One of the main concerns regarding home care in areas with high humidity is the appearance of mold on walls. This type of fungus grows in poorly ventilated places, producing black spots that become embedded in the paint of the rooms, causing an unpleasant and unhygienic appearance.
It is therefore important to check the house regularly and be aware of any appearance of dirt in corners or walls. This is because exposure to mold spores not only causes aesthetic problems within the home, but can also be harmful to health, leading to the development of respiratory problems.
Once the mold colony is detected, it is important to act quickly and try to remove it completely as soon as possible, since otherwise it could continue to spread and embed itself in other areas, further complicating the task. There are different useful methods that will allow you to remove mold and black stains from the wall with basic household cleaning products.
How to remove mold and black stains from walls
Although there are several alternatives to remove mold and black stains from the walls of the home, one of the most effective and accessible to any user is bleach. This product is a strong disinfectant, so it can remove mold from any surface.
To apply it, mix one part bleach with three parts water in a bucket and stir to mix completely. After that, apply it to the area of the wall that has black stains with a spray bottle or a damp microfiber cloth.
Next, scrub the area with a stiff bristle brush until all traces of mold are removed from the wall. Finally, use a dry microfiber cloth to remove all excess product and let the surface dry on its own in the open air, avoiding placing anything in front of it, as moisture could accumulate again.
Bleach is a strong product, so it is advisable to apply it using rubber gloves and not mix it with other cleaning products – especially ammonia – since it can generate highly toxic gases. Additionally, this method is ideal for surfaces such as tiles or painted walls, although it is not recommended for wood or cement walls.
Another of the most useful options is white cleaning vinegar, one of the most common basic products when cleaning the home. This works as a mild acid that removes a lot of mold-damaged surfaces.
To apply it, spray the areas of the wall with black spots and let it sit for an hour. After that, scrub with a brush and rinse the area with a damp microfiber cloth to remove any excess. This method is ideal for surfaces such as wood and cement, unlike bleach.
Another of the most common alternatives is to use products on the market specifically designed to eliminate mold and black stains. These usually have components such as chlorine or citric acid, which act as fungicidal agents.
Even so, it is always advisable to read the manufacturer’s instructions and safety warnings before applying such items. Additionally, some of these products are strong, requiring subsequent ventilation.
How to prevent mold and black spots from appearing on the wall
Although it is possible to remove mold and stains from the wall, it is advisable to take several preventive measures to prevent mold from returning, taking care of humidity levels. To do this, properly ventilate the rooms by opening the windows daily. In addition, it is possible to control the environment using dehumidifiers, allowing the relative humidity of the home to be maintained between the recommended values of 30% or 50%.
It is also recommended when conditioning rooms in the home to use anti-fungal paints, specifically formulated to resist the formation of mold and mildew. These are available in a large number of stores and wide ranges of colors.
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