Is that green substance on walls mold?« Back to Previous Page

After the heavy rain last month, I noticed a greenish-black substance growing on the corners of the walls in our master bedroom. It smells musty and damp, and my husband is concerned it might be mold. We've lived here for two years, so we never expected to find this. Has anyone else experienced similar issues with their mold homes in Dubai?
Posted by Ying Guo
Asked on February 22, 2026 3:33 pm
Yes, the greenish-black substance you're seeing could indeed be mold. Mold growth is a common issue following heavy rain and high humidity conditions, particularly noticeable on wall corners where moisture tends to accumulate. In Dubai, such environmental changes can trigger mold proliferation due to the city's climate.

Mold typically thrives in damp or humid environments, and its appearance often marks areas with excessive water retention. The musty smell you mentioned is a typical sign of mold presence. Mold colonies can produce millions of spores, which can irritate respiratory systems and exacerbate allergies or asthma symptoms. For safety reasons and to prevent potential health risks, it's advisable to have the area inspected by a professional.

In Dubai, adherence to local regulations is crucial when dealing with mold issues. The Environment Agency - Abu Dhabi (EAD) has set guidelines for indoor air quality that should be considered during remediation processes. These guidelines emphasize the importance of proper cleaning and disinfection methods to ensure thorough eradication of molds without causing further contamination.

Given your situation, it's highly recommended you call 800-MOLDS or email hello@saniservice.com to schedule an inspection. Professional services are equipped with advanced tools like moisture meters and air quality testers that can pinpoint the exact extent of mold growth and determine if there are underlying issues such as water leaks.

Furthermore, addressing the root cause of excess moisture is vital for long-term prevention. This might involve checking your home's plumbing systems or ensuring proper ventilation in areas prone to dampness. Regular maintenance checks on your building’s exterior seal can also help reduce the risk of future mold growth by minimizing external water intrusion.

Remember, immediate action is key to mitigating any adverse health effects and preventing further structural damage caused by persistent mold colonies.
Posted by Sani Admin
Answered on February 24, 2026 11:47 pm