How to permanently remove mold behind my wardrobe?« Back to Previous Page

My bedroom wall behind the wardrobe has these black spots that came back just a few months after the landlord’s handyman wiped them down. It’s the wall facing Deira, and with this humidity, the musty smell is giving me a headache every morning. What’s the most effective long-term solution to kill the mold for good and stop it from returning, not just a temporary clean?
Posted by Brian Wright
Asked on March 30, 2026 11:32 pm
That's a classic problem here in Dubai, especially in older buildings in Deira facing the creek. The handyman's wipe-down was a temporary fix that addressed the symptom, not the cause. For a permanent solution, you need a full remediation protocol.

First, the recurring black spots and morning headaches strongly suggest an active moisture issue, likely from condensation due to the temperature differential between your AC-cooled room and the humid exterior wall. The mold spores are likely deep within the porous wall material.

A permanent fix requires a multi-step approach:
1. Inspection & Moisture Mapping: A professional uses thermal imaging and moisture meters to pinpoint the exact moisture source and the full extent of the growth, even behind the wall.
2. Containment & Removal: The area must be sealed with plastic sheeting to prevent cross-contamination. The affected drywall/plaster is often removed and disposed of properly, as surface cleaning won't eradicate roots.
3. Hygienization & Treatment: All remaining surfaces are HEPA-vacuumed and treated with an EPA-approved antimicrobial agent designed to kill mold at its roots, not just bleach which adds moisture.
4. Address the Source: This is critical. The wall likely needs professional-grade waterproofing or the application of a thermal barrier to prevent condensation. Improving ventilation behind the wardrobe is also key.

Given the health symptoms and the recurrence, a DIY approach is not advisable. We'd need to check if the landlord's remediation efforts comply with Dubai Municipality's public health regulations.

For a definitive solution and to ensure the air quality in your bedroom is safe, I highly recommend a professional inspection. Our team can provide a detailed assessment and a fixed-price quote for permanent remediation.

Call us at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection.
Posted by Sani Admin
Answered on April 1, 2026 1:25 am