How to remove and prevent closet mold in humid apartment?« Back to Previous Page

The issue you're describing is a classic case of localized mold growth, exacerbated by Dubai's high humidity levels and the microclimate created by year-round air conditioning. The black spots are likely Cladosporium or Aspergillus, and the damp smell indicates active microbial growth.

Do not attempt to clean this with bleach, as it is ineffective on porous surfaces like drywall and can exacerbate the problem by adding moisture. For a small, visible area, you can carefully clean the surface with a H2O2-based solution or an EPA-approved fungicide, wearing appropriate PPE (N95 mask, gloves). However, this is only a temporary solution if the underlying moisture issue is not resolved.

The primary cause is almost certainly condensation. In Marina apartments, the interior wall likely houses the AC ducting. The cold surface of the duct or the wall itself, when meeting the warm, humid air trapped in the closed closet, creates perfect conditions for condensation and subsequent mold growth. Your clothes are then absorbing this musty, damp air.

For effective, permanent remediation, a professional inspection is strongly recommended. We must identify the exact moisture source—whether it's condensation, a minor pipe leak, or capillary action from the building envelope. Our process involves using thermal imaging cameras to pinpoint temperature differentials and moisture meters to quantify the wall's saturation levels.

Prevention is key. Ensure adequate air circulation by leaving the closet doors ajar periodically. Use a desiccant dehumidifier in the room, especially during the more humid winter months. Consider installing a small battery-operated dehumidifier within the closet itself.

For a thorough assessment and a guaranteed remediation plan that complies with Dubai Municipality's health and safety standards, I advise contacting our specialists. We can conduct a comprehensive indoor air quality test and provide a certified hygienization report for your records.

Call Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection.