How to permanently stop closet mold in a humid Mirdif bedroom?« Back to Previous Page

We’ve lived in our villa in Mirdif for two years, but since last winter, I keep finding black speckled mold in the corners of our master bedroom closet, especially on the leather bags and shoes we store there. The room always feels a bit damp, even though we run the AC constantly. What’s the most effective way to not just clean this but to stop the humidity from coming back for good?
Posted by Dana Al-Nasser
Asked on April 3, 2026 3:25 am
The root cause is high humidity and condensation, a common issue in Dubai villas where cool AC air meets warm walls. To permanently stop it, you must control the moisture, not just clean the mold.

First, address the closet’s environment. Empty it completely and clean all surfaces with a vinegar or diluted bleach solution to remove existing growth. For stored items like leather, a professional cleaner can salvage them if the mold is superficial.

The permanent solution requires lowering the relative humidity inside the closet below 60%. Running the AC constantly cools the air but doesn't always manage humidity effectively. Install a small, battery-powered hygrometer to monitor the closet’s humidity level. For a closet, a renewable desiccant dehumidifier bag can help, but the room itself likely needs better moisture control. Ensure the AC unit is properly sized and functioning, as an overworked unit cools without adequately removing moisture.

Crucially, inspect for thermal bridging. The closet’s exterior wall likely lacks proper insulation, causing cold interior air to condense on the warm surface inside—this is the dampness you feel. A thermographic camera inspection can identify these cold spots. Remediation often involves improving wall insulation or creating an air gap between the wall and your stored items.

For a persistent problem in a villa, a professional inspection is recommended to identify the specific condensation points and structural solutions. The Dubai Municipality has guidelines on building insulation that a qualified contractor can reference. Simply cleaning will only provide a temporary fix; the humidity will always return without these environmental changes.
Posted by Sani Admin
Answered on April 5, 2026 5:29 am