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We’ve lived in our villa in Al Barsha for 2 years and just noticed a patch of black mold in the corner of our master bedroom closet. It’s on the wall that faces the outside, and it’s been getting worse since the humidity spiked a few weeks ago. We’ve been airing it out, but the musty smell won't go away. Can anyone recommend a reliable and thorough mold inspection company that can figure out the source and test if it's dangerous?
Posted by Hung Zhou
Asked on March 25, 2026 2:24 am
Based on your description of a recurring black mold patch on an exterior wall in Al Barsha, this is a classic case of a condensation issue exacerbated by Dubai's high humidity climate. The exterior wall likely has a temperature differential from the year-round AC, causing moisture to condense inside the wall cavity, providing the perfect environment for mold growth. Airing it out helps with surface moisture but does not address the core problem within the wall.

For a thorough inspection, you need a company that goes beyond a visual assessment. They should use a combination of thermal imaging to identify hidden cold spots (thermal bridges) and moisture mapping with penetrating meters to quantify the moisture content deep within the building materials. Air and surface sampling are also crucial to identify the species of mold present (e.g., Aspergillus, Cladosporium, or the more concerning Stachybotrys) and to determine the spore concentration levels in your indoor air, which is key to assessing the health risk.

In the UAE, professional remediation companies should adhere to international standards like the IICRC S520. We strongly recommend a professional inspection to identify the full extent and source. For a comprehensive assessment, including advanced diagnostics and lab analysis, you can contact the experts at Saniservice. Call 800-MOLDS (800-66537) or email hello@saniservice.com for a detailed evaluation and a remediation plan to solve the problem at its source.
Posted by Sani Admin
Answered on March 26, 2026 4:51 pm