Can I clean mold behind my sofa with bleach?« Back to Previous Page

The wall behind our sofa in the Marina apartment has these dark, fuzzy patches that we only noticed when we moved the furniture to clean. It's been really humid the last few weeks and the room doesn't get much direct sunlight. Is this something I can clean with bleach myself, or do I need to call in a professional to check it out?
Posted by Carmen Fischer
Asked on April 4, 2026 2:20 am
You should not use bleach on that mold. While bleach appears to remove the visible discoloration, it is mostly water and can actually feed the mold's root system embedded deep in the drywall. It also fails to address the underlying moisture problem that caused the growth in the first place.

For a small, surface-level patch (under one square foot), a solution of distilled white vinegar or a dedicated EPA-approved mold cleaner is more effective at killing the organism. However, the conditions you described—a hidden growth in a Marina apartment during a humid period with poor sunlight—suggest a more serious issue. The wall itself is likely retaining moisture, and the mold may have penetrated deeper than the surface.

In Dubai's climate, where high humidity and constant AC use can lead to significant condensation within walls, a professional inspection is strongly recommended. They can identify the moisture source (like a leaking pipe, capillary rise from the slab, or condensation from the AC unit) and assess the extent of the damage. Proper remediation often requires controlled removal of affected materials to prevent spreading spores throughout your apartment. A certified inspector can also perform air quality testing to ensure the environment is safe after cleanup.
Posted by Sani Admin
Answered on April 4, 2026 5:39 pm