How to remove black mold and when to notify Dubai building management?« Back to Previous Page

We've lived here for 2 years and just noticed a patch of black mold in the corner of our master bedroom closet, which is on an exterior wall. It wasn't there during my last deep clean a few months ago, but with all the humidity lately, it's really spread. I'm worried it's the reason my allergies have been so bad this season. What's the best way to handle this myself, and at what point should I call my building management in Dubai to get involved?
Posted by Lisa Harris
Asked on May 16, 2026 9:19 pm
Black mold in a closet on an exterior wall is a common issue in Dubai, often caused by thermal bridging where the cold interior wall meets the humid outdoor air, leading to condensation. The recent high humidity has likely accelerated its growth.

For a small patch (under one square foot), you can handle it yourself. Wear an N95 mask, gloves, and goggles. Scrub the area with a mixture of detergent and water, then thoroughly dry it. Avoid using bleach as it doesn't prevent regrowth and can damage porous surfaces. Instead, a solution of white vinegar can be more effective. The key is to control the moisture; use a dehumidifier or silica gel packets in the closet and ensure air is circulating.

If the mold returns quickly, covers a larger area, or is inside the wall (suggested by a persistent musty smell), it’s time to stop DIY and involve your building management. Under Dubai regulations, the building owner is typically responsible for the structure's integrity, including external walls and common building systems that may be causing the moisture intrusion. Document the issue with photos and formally notify them in writing. They should arrange for a professional inspection to identify and fix the root cause, which is often a leak or inadequate insulation.

Given your worsened allergies, a professional inspection is advisable. They can perform air and surface sampling to identify the mold species and spore count, which is crucial for understanding potential health risks and ensuring the remediation is done correctly.
Posted by Sani Admin
Answered on May 19, 2026 10:27 am