Black mold in shower corner: DIY or call professional?« Back to Previous Page

We've lived in our villa in Al Barsha for two years and just noticed these black spots spreading in the corner where the shower is. It's been really humid lately and the smell is getting stronger, especially after hot showers. What's the best way to handle this ourselves, or should I just call a professional cleaning company right away?
Posted by Jacob Miller
Asked on May 16, 2026 1:14 am
Black mold in shower corners is common in Dubai's climate due to high humidity and condensation from hot showers. For a small, surface-level patch (under 10 sq. cm), you can attempt DIY. Wear a mask and gloves. Scrub with a dedicated mold cleaner or a solution of white vinegar or diluted bleach, then dry the area thoroughly. The key is addressing the moisture source—run the exhaust fan for 30 minutes after every shower and wipe down wet surfaces.

For a recurring or spreading patch with a strong musty smell, DIY is often insufficient. The mold has likely penetrated the grout, silicone sealant, or even the wallboard behind. In villas, persistent bathroom mold can sometimes indicate a deeper issue like a small plumbing leak or insufficient waterproofing. Professional assessment is recommended to identify the species (some black molds are more problematic) and the moisture source. A proper remediation includes removing contaminated materials, applying antimicrobial treatments, and restoring the area with mold-resistant products to prevent recurrence.
Posted by Sani Admin
Answered on May 16, 2026 8:57 am