How to permanently stop mold on my wardrobe wall?« Back to Previous Page

We've lived in our villa in Mirdif for a couple of years, and every winter after the humid weather, I start to find black specks of mold on the back of our bedroom wardrobe, which is on an exterior wall. I wipe it down with vinegar, but it always comes back by next season. What’s the most effective long-term solution to stop this from happening?
Posted by Raj Malhotra
Asked on March 19, 2026 12:31 am
That's a classic and very common problem here in Dubai, especially in older villas in areas like Mirdif. The recurring issue points to a persistent underlying cause that surface cleaning won't fix. Let's break down the "why" and the permanent solution.

The black specks are almost certainly mold growth feeding on the organic material in your wallpaper, drywall, or even the dust on the wall. The exterior wall is likely experiencing thermal bridging—where the cold from outside meets the warm, humid air inside your bedroom, creating a perfect condensation point inside the wall cavity. Vinegar only addresses the visible growth, not this moisture source.

The most effective long-term solution is a multi-step professional remediation process:

1. Inspection & Moisture Mapping: A certified inspector uses thermal imaging and moisture meters to pinpoint the exact condensation points and moisture levels within the wall structure. This is crucial.
2. Source Control: The root cause, the condensation, must be addressed. This often involves improving the villa's insulation on that exterior wall to prevent the cold surface temperature. Additionally, ensuring your AC is properly sized and maintained to control humidity is critical per UAE building standards.
3. Remediation: The affected section of the wardrobe and wall must be properly contained, the moldy materials removed, and the area treated with professional-grade antimicrobial solutions, not DIY products.
4. Prevention: Applying a mold-resistant primer and paint after remediation creates a long-term barrier.

Given this is a structural issue related to condensation and building envelope performance, a professional assessment is strongly recommended to prevent further property damage and potential health issues. We can perform a comprehensive inspection to give you a definitive solution.

Call us at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection.
Posted by Sani Admin
Answered on March 21, 2026 2:13 pm