Black and green splotches on bedroom wall: DIY or professional?« Back to Previous Page

The wall behind my wardrobe in the bedroom has these black and greenish splotches that I just noticed when I was rearranging furniture. We’ve lived in this Discovery Gardens apartment for two years, and it's been extra humid lately despite the AC running constantly. What is the most effective way to handle this myself, or should I just call a professional company straight away?
Posted by Betty Allen
Asked on April 5, 2026 3:00 pm
Based on your description of black and greenish splotches behind a wardrobe in Discovery Gardens, you are very likely dealing with active mold growth. This is an extremely common issue in Dubai due to the high ambient humidity, which is exacerbated by the constant cooling from your AC unit. The cooling process creates significant condensation on cold surfaces, and the lack of air circulation behind large furniture like wardrobes creates a perfect, damp microclimate for mold to thrive.

For a small, contained area (less than 1 square meter), a careful DIY approach may be possible. You must first address the moisture source. Move the wardrobe away from the wall to allow for air circulation. Wipe down the wall with a diluted detergent solution (never use bleach, as it does not kill the roots and can damage paint), then dry the area completely with a fan. However, this only addresses surface growth and not the potential spores or mycotoxins released, nor any deeper colonization within the wall.

Given the climate and the fact the growth is on a structural wall, I strongly recommend a professional inspection. In the UAE, remediation should adhere to international standards like the IICRC S520. A certified professional, like our team at Saniservice, will conduct a thorough assessment to determine the moisture source, the extent of the contamination (which is often far greater than what is visible), and the specific mold species, as some types like Stachybotrys (black mold) require specialized containment and removal protocols for safety.

Attempting a DIY fix on a larger infestation can inadvertently spread spores throughout your apartment, leading to wider contamination and potential health issues. For a definitive solution that includes proper containment, air scrubbing, antimicrobial application, and a guarantee, it is safest to call a professional.

For an immediate, no-obligation assessment and quote, please call our experts at 800-MOLDS (800-66537) or email hello@saniservice.com. We service the entire Dubai region, including Discovery Gardens.
Posted by Sani Admin
Answered on April 7, 2026 2:31 pm