Should I worry about mold growth?« Back to Previous Page

After the rain last month, I noticed a greenish-black substance starting to grow on the grout of my bathroom tiles, especially around the shower area. It smells musty and slightly moldy, which is really worrying me. Given how old our building is, should I consider hiring professionals or could this be something I can handle myself?
Posted by Jiyeon Yamaguchi
Asked on December 11, 2025 3:57 am
Absolutely, mold growth should be taken seriously. In the UAE, particularly in Dubai, buildings often face challenges like high humidity levels and occasional rainfall, which can contribute to mold proliferation. Your observation of a greenish-black substance appearing on bathroom tiles, especially around the shower area, could indeed indicate the presence of mold – specifically likely being Stachybotrys chartarum or Aspergillus species.

Given that your building is old, it's not uncommon for moisture issues to arise due to age-related problems such as faulty plumbing or deteriorating seals. In a climate like Dubai’s with its high humidity and occasional rainfall, these conditions can be conducive to mold growth, especially in bathrooms which are naturally damp environments.

The musty smell you're experiencing is another clear sign of potential mold presence. This odor often accompanies the growth of certain molds such as Aspergillus or Penicillium, which thrive in damp and humid areas like your bathroom.

For a proper assessment, it's highly recommended to hire professional environmental inspection services. In Dubai, companies like Saniservice can conduct thorough inspections for mold and provide remediation solutions if necessary. Their services are aligned with UAE regulations such as those set by the Environment Agency-Abu Dhabi (EAD), ensuring that any actions taken comply with local environmental standards.

Handling this issue yourself might be challenging due to the specific techniques required, especially when it comes to deep cleaning and ensuring complete removal of mold spores. Saniservice offers specialized equipment like HEPA vacuum cleaners, which can effectively clean hard-to-reach areas without causing cross-contamination. They also use biocides that are approved by health authorities, providing a safer environment for you and your family.

In the meantime, while waiting for professional help, ensure to reduce moisture levels in your bathroom. Use dehumidifiers if necessary, and consider opening windows or running exhaust fans after showers to aid in drying out any excess moisture. Avoid using carpeting on bathroom floors as it can trap water and encourage mold growth. Opt for tiles instead; they are easier to clean and less likely to retain moisture.

Remember, the key is early detection and prompt action. Don't delay consulting with professionals who can provide a detailed assessment and tailored solutions based on your specific situation in Dubai. For immediate assistance, you can contact Saniservice at 800-MOLDS or email hello@saniservice.com.
Posted by Sani Admin
Answered on December 13, 2025 8:01 am