How to handle black mold on outer wall in Jumeirah?« Back to Previous Page

We've lived here for 2 years and just noticed black, fuzzy patches spreading along the wall behind our bedroom wardrobe. It’s on the wall that faces the outside of our building in Jumeirah. With the humidity lately, the room has started to feel damp. What's the best way to handle this ourselves, and when should we call our building management?
Posted by Nancy Wilson
Asked on March 24, 2026 5:28 am
Based on your description, this is a classic case of mold growth driven by the high humidity and condensation prevalent in Dubai, particularly in coastal areas like Jumeirah. The wall behind the wardrobe is a cold surface, likely an exterior wall where the interior temperature (cooled by AC) meets the hot, humid outdoor air, creating a perfect environment for condensation. This moisture, trapped without air circulation behind the furniture, allows mold spores to colonize.

For a minor patch (less than 1 square meter), you can attempt to clean it yourself using a solution of detergent and water. However, it is critical to wear an N95 mask, gloves, and eye protection. Merely cleaning the surface is a temporary fix; the underlying moisture issue must be addressed. You must move the wardrobe away from the wall to allow for constant air circulation and use a dehumidifier in the room to manage ambient humidity.

Given that the mold is on an exterior structural wall, this is a significant concern. Under Dubai regulations, the building's owner or management is typically responsible for the building's exterior envelope and common structural elements. You should formally notify your building management immediately. They have a responsibility to investigate and rectify any breaches or insulation failures in the building's facade that are allowing moisture penetration and condensation.

For a confirmed and recurring issue like this, a professional inspection is strongly advised. Our certified inspectors at Saniservice use thermal imaging cameras to identify the exact point of condensation and moisture intrusion, along with air quality tests to determine the spore count and species. This technical report is essential for building management to understand the severity and for guiding the proper remediation protocol, which goes beyond simple cleaning to include professional antimicrobial treatment and moisture control solutions. For a definitive diagnosis and to ensure your family's health, call us at 800-MOLDS (800-66537) or email hello@saniservice.com.
Posted by Sani Admin
Answered on March 26, 2026 12:42 am