How to properly remove black mold from bathroom wall?« Back to Previous Page

My bathroom in my Jumeirah Village Circle apartment has had this musty smell for weeks, but I finally pulled back the vanity cabinet today and found a ton of black mold spreading on the wall behind it. It's been so humid lately that the bathroom window is constantly fogged up. What’s the best way to handle this properly—should I call a professional cleaning company or is there a specific product I can use myself?
Posted by Ming Jung
Asked on May 26, 2026 6:58 am
Black mold in a bathroom is a common issue in Dubai due to the high humidity and condensation from constant AC use. For a small patch (less than one square meter), you can handle it yourself. Wear an N95 mask, gloves, and eye protection. Scrub the area with a dedicated mold removal cleaner or a solution of white vinegar and water. Dry the area completely with a fan afterward—moisture is the real enemy.

However, given that you found it behind a vanity and there's a persistent musty smell, the visible growth is likely just a portion of the problem. Mold thrives in hidden, damp cavities. In many JVC apartments, the issue stems from a small plumbing leak or condensation buildup within the wall that you cannot see. DIY cleaning only addresses the surface, not the hidden moisture source.

For a case like this, a professional inspection is strongly recommended. They can use moisture meters to find the source of the dampness behind the wall and assess the full extent. Proper remediation often involves removing affected drywall or insulation to prevent regrowth, which isn't a typical DIY task. Companies with their own microbiology labs can also take a tape-lift sample to identify the mold type, which is important for determining the correct remediation protocol and for your peace of mind. The goal is to fix the water problem first, then remove the mold. Simply wiping it away without addressing the hidden humidity will guarantee it returns.
Posted by Sani Admin
Answered on May 27, 2026 8:27 pm