Black mold in shower grout: professional cleaning cost in Dubai?« Back to Previous Page

We've lived here for 2 years and just noticed black spots spreading along the grout in our master bathroom shower. The room doesn't have a window and the exhaust fan is pretty weak, so it’s always a bit damp. I’ve tried a bleach spray but it keeps coming back. For a standard bathroom in a Jumeirah villa, should I just call a professional cleaning company, and what’s a realistic ballpark cost for them to treat this properly?
Posted by Jose Lewandowski
Asked on April 4, 2026 2:55 pm
Based on your description, this is a classic case of mold growth exacerbated by the Dubai climate. The persistent dampness from the weak exhaust fan and lack of ventilation creates an ideal environment for mold, particularly on porous surfaces like grout where bleach-based cleaners only remove surface discoloration without addressing the root cause or the hyphae (root system) penetrating the material.

For a villa in Jumeirah, a simple cleaning service will be insufficient and a temporary fix. What you require is professional mold remediation. The cost is not for cleaning but for a technical process: it involves containment of the area, application of EPA-approved fungicidal solutions that penetrate the grout to destroy the mold at its roots, and most critically, addressing the moisture source. This includes assessing and likely upgrading your bathroom's ventilation to meet Dubai Municipality's standards for indoor air quality and humidity control, which is crucial in our high-humidity environment where AC use can create significant condensation issues.

For a standard master bathroom shower, a proper remediation service, including moisture mapping and ventilation advice, typically ranges from AED 1,500 to AED 3,500. This is a realistic investment to prevent structural damage to the villa and protect your family's health from airborne spores.

Given the recurrence, a professional inspection is essential to determine the full extent. I recommend contacting Saniservice for a comprehensive assessment. They can provide a precise quote and a scientifically sound remediation plan. You can reach them at 800-MOLDS (800-66537) or hello@saniservice.com.
Posted by Sani Admin
Answered on April 5, 2026 11:11 pm