How to stop black mould in a closet permanently?« Back to Previous Page

Based on the symptoms you've described, this is a classic case of interstitial condensation, highly common in coastal areas like Dubai Marina. The problem isn't just the closet; it's the external wall itself. The temperature difference between the air-conditioned interior and the hot, humid exterior causes moisture to condense inside the wall cavity, leading to that persistent dampness and mould growth you're seeing.

The most effective permanent solution requires a two-pronged approach:

First, address the immediate issue. The mould must be professionally remediated, not just wiped. DIY cleaning often spreads spores and doesn't address the root cause. We use specialized fungicidal coatings designed for the UAE climate to sterilize the area.

Second, and most critically, you must control the humidity at the source. For a confined space like a closet, a small, dedicated desiccant dehumidifier is far more effective than the refrigerant-based type common in AC units, especially in the cooler temperatures of a closet. However, this is a temporary fix. The permanent solution involves improving the thermal break of that external wall. This may require a professional inspection to determine if internal insulation or an injected barrier is feasible to prevent the cold bridge effect.

Given that mould is already present and affecting your belongings, this warrants a professional assessment. Dubai Municipality has strict guidelines on indoor air quality and mould remediation for tenant health and safety. We can identify the exact moisture source and prescribe a lasting solution.

For a detailed inspection and a permanent fix, please call our specialists at 800-MOLDS or email hello@saniservice.com. Leaving this untreated can lead to further property damage and potential health issues.