Hiring a mold removal company in Dubai for shower grout?« Back to Previous Page

We've been in our Jumeirah Park villa for about three years and just noticed black spots spreading in the grout between the shower tiles. It started in one corner after the humidity really picked up a couple of months ago but now it’s getting worse, and the small bathroom with no window always feels damp. I’ve tried a bleach spray but it comes right back. For a permanent fix, should I hire a professional mold removal company here in Dubai, and what’s a realistic cost to treat something like this?
Posted by Sabine Perez
Asked on April 16, 2026 1:50 pm
In many Dubai bathrooms, especially those without windows like yours, recurring mold in grout indicates a chronic humidity issue that surface cleaning cannot fix. The high ambient humidity combined with shower steam creates persistent condensation, allowing mold to root deep within the porous grout and potentially behind the tiles.

For a case where bleach has failed and the mold returns, a professional assessment is warranted. They will identify the moisture source—often inadequate ventilation or unseen water intrusion—and the mold type. Treatment typically involves applying EPA-approved, non-bleach biocides to kill the root system, followed by sealing the grout to prevent regrowth. The core solution is always improving airflow; installing a more powerful extractor fan that runs for 30 minutes post-shower is often the most critical step.

Costs for a professional treatment vary significantly based on the extent of the issue and whether moisture mapping is needed. For a localized shower area, expect a range that reflects the diagnostic testing and targeted remediation required for a lasting result. Always verify the company holds a DHA-approved pest control license and can provide a warranty against recurrence, as this separates reputable providers from those offering temporary fixes.
Posted by Sani Admin
Answered on April 16, 2026 9:34 pm