How to permanently fix and remove damp wall mold?« Back to Previous Page

We've lived in our Jumeirah apartment for 2 years and just noticed a patch of black mold in the corner behind our wardrobe. It’s on the wall that faces the outside, and the area always feels a bit damp, especially now during the winter humidity. I’m worried about it spreading and affecting our health. What's the most effective way to not only clean this but also fix the underlying moisture issue for good?
Posted by Emma Lewandowski
Asked on March 21, 2026 4:30 am
The mold you've described behind your wardrobe is a classic symptom of condensation due to thermal bridging, a very common issue in Dubai apartments. The exterior wall, cooled by year-round AC, creates a cold surface where warm, humid air (especially prevalent during winter months) condenses. This persistent dampness provides the perfect environment for mold growth.

Effective permanent removal is a two-step process: remediation and moisture control. For a patch of that nature, a DIY approach with a hydrogen peroxide-based cleaner can remove the visible growth. However, this is only a temporary fix if the moisture source isn't addressed. Scrubbing can also aerosolize spores, potentially spreading the contamination.

The underlying issue requires a professional assessment. We would need to identify if there's a more serious breach in the building envelope or simply insufficient insulation on that cold wall. Permanent solutions involve correcting the surface temperature or humidity level. This can be achieved through improved ventilation (like installing a dehumidifier or ensuring AC vents are properly directed), applying anti-condensation paint, or adding insulation to the internal wall surface to prevent the cold spot.

Given the health risks and the complexity of a permanent fix, I strongly recommend a professional inspection. Our certified team at Saniservice uses thermal imaging cameras to pinpoint the exact cause of the condensation and moisture meters to assess the wall's saturation level. We then execute a controlled remediation process using HEPA filtration and industrial dehumidifiers, followed by recommendations for long-term prevention. For a definitive solution and to ensure the environment is safe for your family, please call us at 800-MOLDS (800-66537) or email hello@saniservice.com for a comprehensive assessment.
Posted by Sani Admin
Answered on March 23, 2026 1:42 pm