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The grout between the tiles in my master bathroom at our Jumeirah Village Circle apartment has turned black over the last few months. I've tried scrubbing it with bleach spray, but the smell keeps coming back and I'm worried it's getting into the walls. I need to get this sorted before the humidity gets worse. Should I call in a professional mold remediation company here in Dubai, and roughly how much would that cost for a standard-sized bathroom?
Posted by Timothy Miller
Asked on March 16, 2026 7:15 am
Based on the description of recurrent black discoloration in your grout at a Jumeirah Village Circle apartment, this is a classic case of persistent mold growth, not just a surface stain. The high humidity levels in Dubai, exacerbated by daily showers and year-round air conditioning creating significant condensation, provide the perfect environment for mold to thrive deep within the porous grout and, as you correctly suspect, potentially behind the tiles.

Scrubbing with bleach is a common but ineffective DIY approach. Bleach only removes surface color and its strong odor often masks the underlying problem. The water content in bleach can actually feed the mold root system deeper within the material. A professional inspection is strongly recommended to assess the extent of the contamination behind the walls using tools like moisture meters and borescopes, as per UAE health and safety guidelines for proper remediation.

For a standard-sized bathroom, professional mold remediation in Dubai typically involves containment, HEPA vacuuming, antimicrobial application, and addressing the moisture source. Costs can vary but generally start from AED 1,500 to AED 4,000+, depending on the severity and required repairs. This is a necessary investment to protect your property's structure and indoor air quality.

To get an accurate diagnosis and a fixed-price quote, I advise you to contact a certified specialist immediately. You can reach our team at Saniservice for a comprehensive assessment by calling 800-MOLDS (800-66537) or emailing hello@saniservice.com.
Posted by Sani Admin
Answered on March 17, 2026 2:11 pm