While a small patch of surface mold on a non-porous tile might be addressed with a dilute bleach solution, your situation is different. The wall feeling damp indicates an active moisture source, which is the root cause. In Dubai’s climate, this is often due to condensation from poorly insulated AC ducts running within the wall void, a leaking pipe, or capillary action from a hidden water leak. Simply wiping the visible mold away with bleach is a temporary fix; it will not address the hidden moisture or the mold growing within the wall cavity itself. Bleach can also aggravate respiratory issues and is ineffective on porous surfaces like drywall.

The UAE’s civil defense regulations and many landlord contracts require that mold remediation, especially when structural moisture is involved, be handled by licensed professionals to ensure it is eradicated safely and completely, preventing cross-contamination to other areas of the home.

Given the health symptoms and the clear evidence of dampness, I strongly recommend against a DIY approach. You require a professional inspection to identify and diagnose the exact moisture source. Our team at Saniservice uses thermal imaging cameras and moisture meters to pinpoint the origin of the leak behind the wall without unnecessary damage. We then contain the area, safely remove the contaminated materials, rectify the moisture issue, and perform air quality testing to ensure your home is safe.

For your health and a permanent solution, please call us for a comprehensive assessment. You can reach our experts at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection.