AC leak causing black mold in Dubai apartment? Fix myself?« Back to Previous Page

The AC in my apartment in Jumeirah Village Circle seems to be leaking a bit of water onto the wall behind it, and now I'm seeing these black spots spreading near the baseboard. It's been like this for a couple of weeks and I'm worried it's getting worse with the humidity. Is this something I can tackle myself with bleach and a scrub, or do I need to call a professional mold removal company here in Dubai?
Posted by Qiang Kato
Asked on March 29, 2026 7:10 pm
Based on the symptoms you've described—an AC leak and spreading black spots near the baseboard in JVC—you are almost certainly dealing with a mold infestation. The continuous moisture from the leak, combined with Dubai's high ambient humidity, creates the perfect environment for mold to thrive inside your wall cavity, far beyond what is visible.

Attempting a DIY fix with bleach is highly inadvisable. Bleach is ineffective on porous surfaces like drywall and wood, as it only removes the surface discoloration while leaving the root structure intact. It also poses significant health risks from fumes, especially in an enclosed space. More critically, you are likely addressing only a fraction of the problem. The moisture has likely wicked up the wall, and the microbial growth is propagating behind the baseboard and within the wall itself. Scrubbing the surface will provide a temporary cosmetic fix at best, while the colony continues to grow unseen, compromising your indoor air quality and building materials.

For a proper resolution, this requires a professional approach. We would first conduct a comprehensive inspection, including moisture mapping with thermal imaging and borescope examinations to assess the full extent of the damage within the wall cavity. The remediation process involves isolating the area with negative air pressure, safely removing and disposing of contaminated porous materials (drywall, insulation), HEPA vacuuming, and antimicrobial treatment of all affected surfaces. Crucially, the root cause—the AC leak—must be identified and repaired by a certified HVAC technician to prevent immediate recurrence.

Given the climate and potential health implications, I strongly recommend a professional assessment. For expert mold inspection and certified remediation in Dubai, you can contact our team at Saniservice. Call 800-MOLDS (800-66537) or email hello@saniservice.com for a detailed evaluation and a lasting solution.
Posted by Sani Admin
Answered on March 30, 2026 12:14 am