Can I fix black bathroom grout mold myself or need pro?« Back to Previous Page

The grout between the tiles in our master bathroom in Jumeirah Village Circle has started turning black, and there's a constant damp smell no matter how much I clean. We had a lot of humidity over the last few months and I think the ventilation just isn't good enough. Is this something I can handle myself with products from Ace Hardware, or is it time to call in a professional? Can anyone recommend a good company and give me a rough idea of what it might cost for a standard-sized bathroom?
Posted by Mansoor Al-Hashim
Asked on March 29, 2026 8:36 pm
Based on the description of your situation in Jumeirah Village Circle, this is a classic case of mold growth exacerbated by the UAE's high humidity levels and inadequate ventilation, a common issue in bathrooms here where year-round AC use can create significant condensation.

For a small, surface-level issue, a DIY approach with a hydrogen peroxide-based cleaner from Ace Hardware might offer a temporary fix. However, your mention of a constant damp smell is a significant red flag. This persistent odor strongly suggests that the moisture and resulting mold growth are not just superficial on the grout. The problem has likely penetrated the porous grout and cement behind the tiles, and may even be affecting the wall substrate itself. In this case, surface cleaning will be ineffective and the mold will return quickly.

Given these conditions, a professional inspection is strongly recommended. Our certified mold inspectors use tools like moisture meters and borescopes to determine the full extent of the moisture intrusion behind the tiles. Remediation for a standard-sized bathroom in Dubai, involving proper containment, HEPA vacuuming, antimicrobial treatment, and addressing the root moisture cause, typically ranges from AED 1,500 to AED 4,000, depending on the severity.

For a definitive assessment and a permanent solution that complies with Dubai Municipality's health and safety standards, I advise you to call our team at 800-MOLDS (800-66537) or email hello@saniservice.com. Saniservice can provide a detailed inspection and a remediation plan to ensure the problem is resolved correctly and does not recur.
Posted by Sani Admin
Answered on April 1, 2026 12:03 am