Black bathroom grout: DIY clean or hire a pro in Dubai?« Back to Previous Page

Persistent black grout in a Dubai bathroom is almost certainly active mould growth, fueled by the high ambient humidity and condensation from showers. This is a common issue here, as the grout acts like a sponge, holding moisture long after the room has dried.

For a small, surface-level patch, a DIY approach can be tried first. Use a dedicated mould-removing cleaner or a paste of baking soda and vinegar, scrubbing thoroughly. However, if the growth returns quickly or covers a large area, the mould has likely penetrated deep into the porous grout and possibly behind the tiles. Wiping only removes the surface spores, not the root structure.

The persistent damp smell is a significant indicator that the issue is beyond superficial. In such cases, a professional inspection is advised to assess the extent of the moisture damage and identify if there are underlying issues, like a hidden plumbing leak or inadequate sealing. Remediation typically involves specialized antimicrobial treatments and, in many cases, regrouting or resealing to create a lasting barrier.

Costs for professional remediation are variable and depend entirely on the square footage affected and the required corrective actions, from a simple deep clean to partial retiling. It's best to request an on-site assessment for an accurate scope of work and associated investment.