Should I call a pro for mold under shower sealant?« Back to Previous Page

The black mold under silicone sealant is extremely common in Dubai bathrooms due to the high humidity and condensation from showers. If the area is small (under one square foot) and you are not experiencing health symptoms, you can attempt to clean it yourself. However, if it has spread behind the sealant, professional assessment is strongly recommended to prevent recurrence and check for hidden moisture damage.

For a DIY approach, wear an N95 mask and gloves. Scrub the area with a dedicated mold remover or a solution of white vinegar. The critical step is to completely remove the old silicone sealant, as the mold roots penetrate deep within it. After the area is clean and bone-dry, apply a high-quality, mold-resistant silicone to reseal it. Simply cleaning the surface will not solve the problem.

Given the persistent musty smell you describe, it is likely the mold growth is more extensive than what is visible. This indicates a deeper moisture issue that a surface clean cannot address. In such cases, a professional inspection can identify the full extent of the contamination, often using moisture meters and borescopes, to ensure it is properly remediated. For apartments, unresolved mold can sometimes violate community health standards set by Dubai Municipality. Companies with their own microbiology labs can also provide identification of the mold type, which is useful for understanding any potential health risks.