How urgently treat black mold under shower sealant?« Back to Previous Page

My bathroom in my Jumeirah Village Circle apartment has had this musty smell for weeks, but I just pulled back the silicone sealant around the shower and found a ton of black mold underneath. It’s been so humid lately that it seems to be spreading fast. How urgently do I need to get this professionally treated before it becomes a major health risk?
Posted by Ali Ahmed
Asked on May 10, 2026 12:45 am
Black mold under silicone sealant requires prompt attention, especially in Dubai's high humidity. The risk escalates quickly as spores can spread through the air each time the AC or fan runs. For infants, elderly residents, or anyone with asthma or allergies, this can become a significant irritant within days.

You should treat this within the week. The immediate step is to stop using that shower to prevent further moisture from feeding the growth. Run the bathroom exhaust fan for at least 30 minutes after any bath to reduce ambient humidity. Do not attempt to scrub it yourself, as this can aerosolize a high concentration of spores throughout your apartment.

In JVC and similar villa communities, this is a common issue due to condensation and construction materials that retain moisture. A professional inspection is strongly recommended to assess the extent behind the tiles. The remediation involves carefully removing the contaminated sealant, treating the underlying substrate with specialized biocides, and applying a new, high-quality mold-resistant sealant. The key is not just cleaning what you see but ensuring the root moisture issue is addressed to prevent rapid regrowth. A company with its own microbiology lab can provide a post-remediation verification test to confirm the space is safe, which is the only way to be certain the health risk has been resolved.
Posted by Sani Admin
Answered on May 12, 2026 8:37 am