Can I remove this black mold myself or hire a pro?« Back to Previous Page

Our villa's AC has been leaking in the master bedroom closet for a while and I finally cleared out the stack of winter clothes to find a huge patch of black, fuzzy mold on the back wall. It's been humid for months and we've all had allergy-like symptoms. Is this a job I can handle myself with bleach from ACE, or do I need to call in a professional mold remediation company here, and what’s the rough cost for a small room?
Posted by Julia Thomas
Asked on April 7, 2026 10:00 am
Based on the symptoms you've described—persistent moisture from the AC leak, visible black fuzzy growth, and correlating household allergy symptoms—this is a situation that necessitates professional assessment and remediation. The humid climate of Dubai creates a perfect environment for mold, particularly Stachybotrys chartarum (black mold), which thrives on cellulose-rich materials like drywall and fabric when constant moisture is present.

Attempting a DIY removal with bleach is strongly discouraged. Bleach is ineffective on porous surfaces as it does not kill the mold roots (hyphae) and only bleaches the visible surface. More critically, improper handling can aerosolize the spores, significantly worsening indoor air quality and potentially causing severe respiratory issues. UAE regulations, particularly in Dubai, often require professional remediation to ensure it is handled according to health and safety standards, especially if the property is leased.

For a small room like a closet impacted by an AC leak, the process is more involved than surface cleaning. It requires: 1) Containing the area to prevent cross-contamination, 2) Safely removing and disposing of contaminated porous materials (drywall, insulation, affected clothing), 3) HEPA vacuuming and antimicrobial treatment of the cavity, and 4) Identifying and rectifying the root cause—the AC leak—to prevent immediate recurrence.

The cost for a professional job of this scale can vary but typically starts from AED 1,500 to AED 3,500, depending on the extent of the damage behind the wall. This investment ensures the mold is eradicated correctly and your indoor air quality is restored.

For a certified inspection and a precise quote, I recommend contacting our specialists at Saniservice. Call 800-MOLDS (800-66537) or email hello@saniservice.com. Our team is equipped to conduct a thorough assessment, provide a detailed protocol, and remediate the issue safely and permanently.
Posted by Sani Admin
Answered on April 9, 2026 9:58 pm