How to find and stop closet moisture and mold?« Back to Previous Page

Our master bedroom closet, which is on an interior wall, has a faint damp smell that’s gotten worse since the weather got more humid. I pulled out some winter clothes and found a few jackets with small black spots on them. We run the AC constantly, but I’m worried the issue is hidden behind the walls. What’s the best way to find the source of this moisture and prevent it from spreading further?
Posted by Nisha Saxena
Asked on April 8, 2026 11:18 am
As a certified mold inspector in the UAE, your situation is a classic example of a concealed moisture issue exacerbated by our local climate. The constant AC use creates a significant temperature differential between the cool closet interior and the adjacent walls. When Dubai's high external humidity permeates the building structure, it condenses on these cooler surfaces, creating a hidden damp environment perfect for mold growth, often within the wall cavity itself.

The best way to find the source is a professional inspection. We start with a visual assessment for staining or warping. Crucially, we use a non-invasive moisture meter to detect elevated moisture levels within the wall and a thermal imaging camera to identify temperature anomalies and cold spots indicating condensation. Air and surface sampling can then identify the mold species and concentration, which is vital for determining the remediation protocol, especially as per Dubai Municipality's strict health and safety guidelines for indoor air quality.

Immediate actions you can take: Remove all affected clothing for cleaning. Ensure the closet is not overpacked, allowing for air circulation. Do not attempt to remove wall linings yourself, as this can aerosolize spores.

For a persistent damp smell and visible growth on contents, this indicates an active problem. DIY solutions are temporary and will not address the root cause. A professional assessment is essential to prevent structural damage and potential health impacts.

Our team at Saniservice is equipped with the necessary tools and certification to conduct a thorough investigation, locate the exact moisture source, and provide a compliant remediation plan. I strongly recommend you contact us for a detailed inspection. Call us at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an assessment.
Posted by Sani Admin
Answered on April 9, 2026 12:06 pm