Black mold in bedroom closet: DIY or professional in Dubai?« Back to Previous Page

We've lived here for 2 years and just noticed a large patch of black mold in the corner of our master bedroom closet, behind some storage boxes. It must have been growing there for a while since we had that really humid spell a couple of months ago. I'm worried about the health risks for my family and the damage to the wall. Is this something I can handle myself with bleach, or do I need to call in a professional mold remediation company, and what would that likely cost for a small area like this in Dubai?
Posted by Sara Al-Nasser
Asked on March 22, 2026 11:57 am
Based on the description, this is a situation I would strongly advise against a DIY approach, especially with something as potentially hazardous as black mold.

The fact it's behind boxes and has been growing for an extended period, likely since that high humidity period, indicates a persistent moisture issue. This isn't just surface condensation; the moisture has likely penetrated the wall structure. Bleach is a common but ineffective and dangerous mistake. It only bleaches the visible color on porous surfaces like drywall but doesn't kill the root structure (hyphae) inside the material. It can also release a massive amount of harmful spores into the air during cleaning, worsening the air quality and spreading the contamination.

In the UAE climate, the root cause must be identified. It could be a leaking AC condensation line within the wall, a pipe leak, or capillary rising damp from the slab. Without professional inspection and moisture mapping equipment, you're just treating the symptom.

Health risks from prolonged exposure to mycotoxins from certain black molds (like Stachybotrys) are significant, including respiratory issues, allergic reactions, and more severe long-term effects, especially for children, elderly, or immunocompromised individuals.

For a proper remediation in Dubai, a certified company will follow strict protocols: containment of the area with negative air pressure, HEPA filtration, safe removal of contaminated porous materials (drywall, insulation), hygienization of the structure, and most importantly, identifying and resolving the moisture source. For a small area like a closet, costs can vary but typically start from AED 1,500 - 3,500+ depending on the extent of damage behind the wall.

Given the hidden nature and potential health impact, a professional inspection is absolutely warranted. We can dispatch a certified inspector to conduct a full assessment, including moisture and air quality testing.

Please call our team at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection.
Posted by Sani Admin
Answered on March 23, 2026 8:56 pm