How to permanently remove mold from damp closet wall?« Back to Previous Page

We've lived here for 2 years and just noticed a bunch of black spots in the corner of our walk-in closet where we keep our winter clothes. It's on the wall that faces the outside and the room always feels a bit damp. What's the most effective way to get rid of this for good, and should I be calling our building management first or a professional cleaning company?
Posted by Thomas Thompson
Asked on April 8, 2026 10:00 am
The black spots are likely mold growth caused by condensation from the temperature difference between your air-conditioned closet and the hot exterior wall, a very common issue in Dubai. To remove it permanently, you must address both the existing growth and the underlying moisture source.

Start by scrubbing the affected area with a solution of detergent and water. For more stubborn growth, a diluted white vinegar solution can be effective. After cleaning, ensure the wall is thoroughly dried. However, this is only a temporary fix if the moisture problem remains.

You should absolutely contact your building management first. The dampness suggests a possible thermal bridging or insulation issue within the building envelope, which is the property owner's responsibility to investigate and repair. They may need to improve the wall's insulation to prevent constant condensation.

For a large or recurring infestation, a professional inspection is recommended. They can use moisture meters to pinpoint the source of water intrusion and air sampling to identify the mold species, which is important for understanding any potential health risks, especially in a space storing clothes.

To prevent recurrence, use a dehumidifier in the closet and ensure there is adequate air circulation; leaving the door ajar can help. Avoid storing items directly against the exterior wall. This combination of removing the existing mold, fixing the building defect, and controlling humidity is the only way to achieve a permanent solution.
Posted by Sani Admin
Answered on April 8, 2026 2:12 pm