How to permanently remove mold in my bedroom?« Back to Previous Page

The black spots returning after painting indicate a persistent moisture source, not just surface mold. In Bur Dubai's older buildings, this is commonly caused by condensation from uninsulated exterior walls or a small leak in the AC condensation line running inside the wall.

First, identify the moisture source. Feel the wall for cold spots, especially behind furniture. Check if the discoloration worsens after the AC runs. A professional inspection with a thermal camera and moisture meter is the most reliable way to pinpoint the exact cause, as the problem is likely inside the wall cavity.

Proper remediation requires removing the affected material. Simply painting or bleaching seals the mold temporarily, allowing it to continue growing unseen and releasing spores. The wall's plasterboard likely needs to be cut out and replaced once the area is completely dry.

To prevent recurrence, address the humidity. Ensure your AC is serviced and draining properly. For condensation on cold walls, improve air circulation in the room and consider a dehumidifier, especially during the more humid months. For a permanent solution against condensation, internal wall insulation may be necessary.

Given the health symptoms, a professional assessment is strongly recommended. They can perform air quality testing to confirm if the mold in the wall is the allergen source and ensure the remediation is done to standards that prevent spores from spreading during the work.