How to remove and prevent mold in kid's room?« Back to Previous Page

My kids have been coughing more than usual and I'm worried it's from mold. We live in a villa in Jumeirah and I've started seeing these tiny black spots in the corner of my youngest son's bedroom, right where the wall meets the floor. It's the room closest to the bathroom and I feel like the humidity from our showers is making it worse. What's the most effective way to treat this existing mold and stop it from coming back, especially with the kids around?
Posted by Dieter Wisniewski
Asked on March 10, 2026 12:35 am
Based on your description of the villa in Jumeirah, that's a classic scenario we see all the time. The proximity to the bathroom is a major factor; steam from showers significantly increases the humidity in adjacent rooms, especially if ventilation is poor. Those black spots at the wall-floor junction are a clear indicator of condensation and mold growth.

For immediate treatment in your son's room, safety is paramount with kids. Do not use bleach. Instead, wear an N95 mask and gloves, and scrub the area with a solution of white vinegar or a dedicated, non-toxic, EPA-approved mold cleaner. Ensure the room is well-ventilated during and after cleaning. However, this only addresses the surface growth you can see.

The core issue is preventing its return, which is all about moisture control. Here in Dubai's climate, with its high ambient humidity, this is non-negotiable.

1. Ventilation: After every shower, run the bathroom exhaust fan for at least 30 minutes and keep the door closed to contain the moisture. Open windows in the bedroom daily to allow cross-ventilation, even for a short time when the outside humidity is lower (usually mid-afternoon).

2. Humidity Control: Invest in a high-quality dehumidifier for the bedroom and potentially the hallway. Aim to maintain indoor relative humidity below 60%. An air conditioner alone is not a dehumidifier.

3. Inspection: The mold on the surface is often just the "fruit." The real colony can be growing within the wall cavity, especially if there's a hidden plumbing leak from the bathroom or condensation within the AC ducts serving that room. This is a serious health risk, particularly for children's respiratory systems.

Given the persistent cough and the potential for hidden growth, a professional inspection is strongly recommended. We use thermal imaging cameras and moisture meters to pinpoint the exact moisture source behind the walls that you can't see. Proper remediation might involve controlled removal of affected materials.

For a thorough inspection and a definitive solution to protect your family, please give us a call at 800-MOLDS or email hello@saniservice.com. We can assess the situation and provide a safe, effective remediation plan.
Posted by Sani Admin
Answered on March 11, 2026 7:04 am