Black mold in son's room: DIY clean or call pro??« Back to Previous Page

We've lived here for 2 years and just noticed a patch of black mold in the corner of our son's bedroom closet, behind some boxes. It seems to have gotten worse since the recent humidity. My 5-year-old has had a runny nose and a bit of a cough for the past week that won't go away, and I'm starting to worry it's connected. What's the best way to safely clean this myself, or should I call a professional company here in Dubai right away?
Posted by Rohit Tiwari
Asked on April 29, 2026 12:40 am
Given Dubai's high humidity and year-round AC use, that black patch behind the boxes is likely due to condensation and lack of air circulation. The timing of your son's respiratory symptoms is a significant concern, as prolonged exposure to mold spores can cause or worsen such issues in sensitive individuals.

For a small patch (under one square foot), a careful DIY clean may be sufficient. Wear an N95 mask and gloves. Mix a solution of one part white vinegar to four parts water, scrub the area, and allow it to dry completely. Do not use bleach, as it can sometimes exacerbate the problem on porous surfaces. Crucially, identify and fix the moisture source—this is often a small leak in the AC condensation line or a cold spot on an exterior wall.

However, given that the mold is in a child's bedroom, the symptoms are present, and the growth is hidden (often indicating a larger issue within the wall), a professional inspection is strongly advised. They use moisture meters and thermal cameras to find the hidden source of moisture that you cannot see. A proper assessment includes air and surface sampling sent to an accredited microbiology lab to identify the species and spore count, which is the only way to confirm the health risk and verify the cleanup was successful. For health and safety, erring on the side of a professional evaluation is the most prudent course of action.
Posted by Sani Admin
Answered on April 29, 2026 2:37 pm