Can I remove new black mold myself or call a pro?« Back to Previous Page

Black mold in a Dubai bedroom closet appearing after a humidity spike is a common issue, but it's often a symptom of a larger problem. High outdoor humidity combined with year-round AC use creates significant temperature differentials, leading to condensation inside walls—especially on exterior corners, which are thermal bridges.

For a patch smaller than one square meter, you can attempt cleaning yourself. A solution of distilled white vinegar is a common household remedy. However, this only addresses the surface growth you can see, not the moisture source feeding it. The mold's root system (mycelium) often remains within the wall material.

Given its location on an exterior wall and its sudden appearance, a professional inspection is strongly recommended to identify the hidden cause. This could be interstitial condensation, a minor leak from AC drainage, or compromised insulation. Remediation without fixing the moisture issue will result in its guaranteed return, often within weeks.

A certified inspector uses moisture meters and thermal imaging to locate the precise condensation point. For a case like this, the solution typically involves correcting the wall's temperature with insulation and improving room ventilation, not just removing the visible stain.