Should I hire a pro for bathroom grout mold in Dubai?« Back to Previous Page

We've lived in our Jumeirah apartment for 2 years and just noticed these black spots spreading in the grout between the wall tiles behind the toilet. It's been extra humid lately and the smell is getting stronger. I'm worried it's a bigger problem than just surface mold. Should I call a professional cleaning company for this, and roughly how much should I expect to pay for a proper treatment?
Posted by Lauren Young
Asked on April 3, 2026 7:45 am
Bathroom grout mold in Dubai is often more than a surface issue due to the high ambient humidity and constant condensation from AC use. The persistent dampness allows mold to penetrate deep into the porous grout and potentially behind the tiles.

For a small, isolated patch, a thorough DIY cleaning with a dedicated grout cleaner and improved ventilation can be effective. However, the spreading pattern and stronger smell you describe suggest a deeper infestation. In such cases, professional assessment is recommended to determine if moisture has compromised the wall substrate.

A reputable service will first identify the moisture source, then use specialized methods like steam or media blasting to extract the mold from the grout pores, followed by an antimicrobial coating to inhibit regrowth. The cost for professional treatment varies significantly based on the square footage affected and the extent of the work required; it's best to request an on-site assessment for an accurate scope and quote.
Posted by Sani Admin
Answered on April 5, 2026 3:33 am