Should we clean black mold ourselves or hire professionals?« Back to Previous Page

The AC in our Jumeirah Park villa has been leaking into the wall behind it for a while, and now we've discovered a huge patch of black mold there. My wife and I have both had constant headaches and a dry cough that just won't go away. We had the leak fixed last week, but the mold is still there. Is it safe for us to clean this ourselves with bleach, or do we absolutely need to call a professional company?
Posted by Betty Hill
Asked on March 30, 2026 7:50 pm
Based on the symptoms you've described—persistent headaches and a dry cough—this is a serious situation that absolutely requires professional intervention. The black mold you've discovered is likely Stachybotrys chartarum, a toxigenic mold that releases mycotoxins into the air, which is the probable cause of your health issues. Simply fixing the leak does not address the existing contamination.

In the UAE's humid climate, AC leaks are a primary cause of extensive mold growth inside wall cavities. While the surface may look like a patch, the hidden infestation within the drywall and insulation is almost always far more severe. Attempting a DIY cleanup with bleach is highly inadvisable and against best practices. Bleach is ineffective on porous surfaces like drywall and gypsum board, as it only bleaches the surface mold without killing the roots. More critically, improper cleaning will agitate the mold, releasing a massive cloud of harmful spores and mycotoxins throughout your villa, significantly worsening your exposure and potentially contaminating other areas.

Dubai Municipality has strict guidelines for mold remediation to protect occupant health. A professional company like Saniservice follows a stringent protocol: first, a detailed inspection and air quality testing to identify the spore types and concentration; second, setting up critical engineering controls such as negative air pressure containment chambers with HEPA filtration to prevent cross-contamination; and finally, the safe removal of all affected porous materials (drywall, insulation) and specialized antimicrobial treatment of the cavity.

Given the scale of the problem and your health symptoms, this is not a DIY project. For your safety, I strongly recommend a professional inspection and remediation. Please call us at 800-MOLDS (800-66537) or email hello@saniservice.com for an immediate assessment. Our team is certified to handle these hazardous situations in full compliance with local regulations and will ensure your home is safe and healthy again.
Posted by Sani Admin
Answered on March 31, 2026 2:11 pm