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We've lived in our villa in Al Barsha for 2 years and just noticed a bunch of black spots spreading in the corner of our master bedroom closet, which is on the outside wall. The AC unit is right above that spot, and I'm worried there might be a leak inside the wall that I can't see. What's the best way to find a proper mold inspection service here that can identify the source and not just clean the surface?
Posted by Pooja Chopra
Asked on March 21, 2026 3:45 pm
Based on the symptoms you've described—black spots spreading on an exterior wall corner, proximity to an AC unit—this is a classic indicator of a condensation or concealed leak issue, common in Dubai's climate. The high humidity and constant AC operation create a significant temperature differential between the cool interior and the hot exterior walls, leading to condensation within the structure. This hidden moisture is the perfect breeding ground for mold that you cannot see.

A proper inspection is critical and goes far beyond surface cleaning. You require a service that conducts a comprehensive assessment, including thermal imaging to identify temperature anomalies and cold spots indicating hidden moisture, hygrometer readings to quantify humidity levels within the wall cavity, and possibly boroscopic inspection to view inside the wall with minimal intrusion. Air and surface sampling for lab analysis is also essential to identify the mold species and spore concentration, which dictates the remediation protocol.

In the UAE, reputable companies adhere to international standards like the IICRC S520 for mold remediation. Avoid services that offer a quick clean without a detailed report on the source; this will only lead to rapid regrowth.

For a definitive diagnosis and a solution that addresses the root cause, I recommend contacting our specialists at Saniservice. We are equipped with the advanced diagnostic tools and certified expertise to handle such cases. You can reach us for a professional consultation at 800-MOLDS (800-66537) or via email at hello@saniservice.com.
Posted by Sani Admin
Answered on March 23, 2026 4:31 pm