Is black mold on wall dangerous for my toddler?« Back to Previous Page

The wall behind the wardrobe in my bedroom in our Jumeirah villa has started showing these black spots, and it’s been spreading slowly since the weather got more humid a couple of weeks ago. We’ve lived here for 2 years and just noticed it when we moved the furniture. My main concern is my toddler who sleeps in that room – she’s been a bit sniffly lately. How urgent is it to get this professionally treated, or can I handle it with a bleach spray from the supermarket?
Posted by Jisoo Zhang
Asked on May 8, 2026 7:00 am
Black mold on a wall can be a health concern, especially for a toddler with a developing respiratory system. The sniffles you've noticed could be a reaction to the spores it's releasing into the air. While not all black molds are the highly toxic Stachybotrys, any persistent mold growth indicates a moisture problem that needs to be addressed for your child's well-being.

In Dubai's humid climate, this is a common issue, particularly on exterior walls or in rooms with poor airflow. The wall behind furniture, like your wardrobe, is a prime spot as condensation builds up from the temperature difference between the cool, air-conditioned room and the warm exterior. Simply spraying it with a supermarket bleach solution is not a complete solution. It might lighten the visible stain on the surface but will not address the moisture source or the mold roots (hyphae) growing deep into the porous wall material. This is why it often returns quickly.

For a small, surface-level patch, a thorough cleaning with a vinegar or hydrogen peroxide solution can be attempted, but only after identifying and stopping the moisture source. Given that it's behind furniture and has been spreading, the issue is likely more established. The urgent step is to have a professional inspection to identify the exact moisture source—it could be a small plumbing leak, capillary seepage from the ground, or severe condensation—and assess the extent within the wall cavity. They can also take a sample for lab analysis to confirm the mold type, which is crucial for understanding the risk level and proper remediation protocol.

Until it's assessed, improve ventilation in the room and keep the toddler out if possible. For proper remediation, look for a company that provides a detailed moisture assessment and can show you verifiable before-and-after lab results to confirm the spore count has been returned to safe levels.
Posted by Sani Admin
Answered on May 10, 2026 8:43 am