Mold behind vanity: DIY clean or call professional in Dubai?« Back to Previous Page

The grout between the tiles in my master bathroom has been turning black for a while, and I just pulled back the corner of the vanity only to find a huge patch of fuzzy green mold on the wall behind it. It must have been a slow leak from the sink pipe. I’m really worried about it spreading into the bedroom. What’s the best way to handle this properly—should I try to clean it myself with something from the supermarket, or is it time to call a professional mold removal company here in Dubai?
Posted by Sungjin Yang
Asked on April 14, 2026 1:10 am
Given the fuzzy green growth and the leak source, this requires professional assessment and remediation. In Dubai's climate, hidden mold from a water leak can rapidly colonize wall cavities and spread spores to other rooms through the AC system, making containment the first priority.

A small patch of surface mold on non-porous tile might be treatable with a supermarket hydrogen peroxide solution, but your situation is different. The wall itself (plasterboard/gypsum board) is porous and acts like a sponge, meaning the fuzzy growth you see is likely just the surface manifestation of a deeper infestation within the wall cavity. DIY cleaning will only address the surface, leaving the root cause to regrow and potentially release more spores.

The proper protocol involves first stopping the leak at the pipe. Then, a trained inspector should assess the full extent of the damage, often using a moisture meter. Remediation involves isolating the area, removing the contaminated porous materials (the affected section of wall), HEPA vacuuming, and treating the area with antimicrobial solutions. For a case of this size and location, a professional service aligned with DM and DHA guidelines is recommended to ensure it is handled safely and thoroughly, preventing cross-contamination to your bedroom.
Posted by Sani Admin
Answered on April 15, 2026 7:30 am