Black mold in bathroom causing illness, how to fix?« Back to Previous Page

My kids have been coughing non-stop for the past month, and I've been getting terrible headaches. I finally pulled back the silicone sealant around our bathtub in our JVC townhouse and found a ton of black mold growing underneath it. I think this might be the cause of our health issues. What's the fastest and most effective way to get this professionally cleaned and make sure it doesn't come back?
Posted by Salim Al-Zahrani
Asked on May 7, 2026 8:10 pm
Black mold under bathroom sealant is a serious health concern, especially with the symptoms you're describing. The high humidity in Dubai bathrooms, combined with condensation from year-round AC use, creates a perfect environment for this growth.

The fastest and most effective approach requires professional remediation. Do not attempt to clean significant hidden mold yourself, as disturbing it releases a massive amount of spores into your home. A proper remediation team will isolate the area with containment barriers, use HEPA-filtered negative air machines to capture spores, and safely remove all contaminated sealant and any affected underlying materials. Simply bleaching the surface is ineffective and dangerous for a case of this magnitude.

To ensure it doesn't return, the root cause must be addressed. After removal, the area must be completely dry before new, high-quality mold-resistant sealant is applied. You must also improve ventilation; run the bathroom exhaust fan for at least 30 minutes after every shower and ensure your AC system is well-maintained to control indoor humidity levels.

Given the direct link to your family's health issues, I strongly recommend a professional inspection and possibly post-remediation verification testing. This will confirm the species of mold and provide peace of mind that the spore count in your air has returned to a safe level after the cleanup is complete.
Posted by Sani Admin
Answered on May 8, 2026 9:30 am