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

Good question. This is a classic issue here in Dubai, especially in areas like Marina with high saline humidity and potential for thermal bridging in building envelopes. That musty smell is almost certainly microbial volatile organic compounds (MVOCs) from active mold growth, which your winter items are absorbing.

First, address the immediate problem. Remove all items from the closet. For clothes, I recommend a professional hygienization service that uses ozone or hydroxyl radical technology to neutralize the odors at a molecular level without damaging fabrics—washing often won't remove the spores embedded deep within the fibers. For the closet itself, do not just wipe with bleach. You need to clean all surfaces with an EPA-approved fungicidal cleaner, focusing on the lower shelves and back wall, which are likely the coldest surfaces where condensation forms (the dew point issue). A HEPA vacuum is essential to capture, not spread, any dry spores.

For prevention, humidity control is non-negotiable. You need to get that closet's relative humidity below 60% to make it uninhabitable for mold. Since it's a closed space, a small, dedicated desiccant dehumidifier is your best bet. Also, ensure there's air circulation; leave the closet door ajar periodically and avoid over-packing shelves. Check for any cold spots—if a wall feels noticeably cooler, that's your condensation point and may require additional insulation, a common issue in some older Marina towers.

If the odor persists after cleaning or you see visible growth returning, the source might be hidden within the partition wall or under the flooring from a minor condensate leak. At that point, a professional inspection with moisture meters and thermal imaging is crucial to find the hidden saturation point.

For a proper assessment and our specialized closet hygienization service, just give us a call at 800-MOLDS or email hello@saniservice.com. We can handle the entire remediation process for you.