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After the heavy rains last month, I noticed a persistent musty smell coming from the bathroom. When I checked, I saw some greenish patches on the walls near the shower area, especially around the corner by the window where water tends to collect. It’s been there for about two weeks now and seems to be spreading. How urgent is this issue, and should I call a professional right away?
Posted by Brian Thompson
Asked on December 31, 2025 9:39 am
Your observation of greenish patches and the musty smell is indicative of mold growth, which can indeed be a serious concern. The presence of mold in bathrooms, especially after heavy rains, requires immediate attention due to both health risks and potential structural damage.

In the UAE, particularly in Dubai, humidity levels can significantly contribute to mold proliferation, especially in bathrooms where moisture often accumulates around showers, sinks, and windows. According to local regulations, such as those set forth by the Dubai Municipality, it's essential to address mold issues promptly to ensure public health and building integrity.

The greenish patches you noticed are likely caused by a common type of mold called Cladosporium or Penicillium, which thrive in damp environments. While these species are generally not highly toxic, they can still cause respiratory issues for individuals with allergies, asthma, or compromised immune systems. Moreover, prolonged exposure to mold can lead to the growth of more dangerous varieties.

Given that the patches have been present for about two weeks and seem to be spreading, it is crucial to act quickly. A professional inspection by a certified expert in mold remediation would be highly recommended. They will assess the extent of the contamination, identify the source of moisture, and provide appropriate solutions. In Dubai, companies like Saniservice can offer comprehensive services, including mold testing, removal, and prevention.

If you decide to proceed with a professional assessment, do not delay. Contact 800-MOLDS or email hello@saniservice.com for an immediate appointment. The sooner the issue is addressed, the less likely it will lead to extensive damage requiring more invasive solutions later on.

In the meantime, take steps to reduce moisture levels in your bathroom by ensuring proper ventilation (use exhaust fans during and after showers) and cleaning affected areas with a solution of bleach and water (1 part bleach to 10 parts water). Always wear protective gear such as gloves and masks when handling mold to prevent direct contact. However, professional intervention is necessary for thorough remediation.

Remember, addressing mold issues promptly not only protects your health but also maintains the value of your property in Dubai's real estate market.
Posted by Sani Admin
Answered on January 2, 2026 8:24 pm