How to permanently remove dangerous bathtub mold?« Back to Previous Page

Based on your description of black splotchy patches and a persistent musty smell emanating from behind the silicone sealant in your Marina apartment, this is a classic case of a concealed mold infestation. The wall facing the outside is likely colder due to the constant air conditioning required by Dubai's climate, leading to significant condensation within the wall cavity—a perfect breeding ground for mold.

Attempting a DIY removal by simply scrubbing the visible surface or reapplying silicone is ineffective and hazardous. This disturbs the colony, releasing a concentrated cloud of spores and mycotoxins into your bathroom air, which you will inevitably inhale. The musty smell is a clear indicator that this is already occurring, posing a risk of respiratory issues, allergic reactions, and other health concerns, especially for vulnerable individuals.

For a permanent solution, the contaminated silicone sealant and any compromised grout must be professionally removed. The underlying area needs to be treated with specialized biocides to eradicate the root colony, followed by application of an anti-microbial sealant to prevent recurrence. The wall cavity may also require assessment and drying.

Given the extent you've described, a professional inspection is strongly advised. Our certified inspectors use moisture meters and borescopes to assess the hidden damage within walls and provide a compliant remediation plan according to Dubai Municipality standards. For a definitive solution and to safeguard your health, please contact our team for an inspection. Call 800-MOLDS (800-66537) or email hello@saniservice.com.