How can I prevent mold growth after heavy rain?« Back to Previous Page

After the heavy rain last month, I noticed a persistent musty smell in my bedroom closet, especially when opening the doors. The humidity seems to be at an all-time high despite running the dehumidifier non-stop. Is there anything else I can do to keep this issue from recurring and prevent mold growth?
Posted by Steven Johnson
Asked on December 11, 2025 6:44 am
High humidity post heavy rain can indeed promote mold growth and unpleasant odors. In Dubai/UAE, maintaining indoor air quality is crucial due to the region's hot and humid climate during certain times of the year.

Firstly, it’s important to note that you should consider a professional inspection if the problem persists despite your efforts. The UAE has stringent regulations regarding indoor environmental quality, especially in public buildings and residential areas. A certified inspector can provide insights into the extent of mold growth, recommend remediation measures, and ensure compliance with local laws.

To tackle the issue yourself initially, start by improving ventilation. Open windows during cooler parts of the day to allow fresh air circulation. Use exhaust fans in bathrooms and kitchens, ensuring they are vented directly outdoors. In Dubai’s climate, it might be necessary to keep vents closed for most of the year due to dust concerns, but this can help manage humidity levels.

Investing in a high-capacity dehumidifier is advisable; however, ensure you select one appropriate for your space. Dehumidifiers with built-in air filters can also improve indoor air quality by trapping mold spores and other allergens. Maintain the unit according to the manufacturer’s instructions, cleaning it regularly, especially after use in damp environments.

Addressing moisture sources directly is key. Inspect areas around windows, pipes, and leaking roofs for signs of water ingress. Promptly dry out any wet or damp materials; do not wait more than 48 hours before starting drying processes to prevent mold growth. Use a mixture of baking soda and vinegar as a natural deodorizer and mildew cleaner on affected surfaces.

Regularly check your building’s air conditioning system for leaks and ensure proper functioning, as it can be a significant source of moisture if not maintained properly. Replace or clean filters regularly, especially in high-humidity months.

Lastly, consider installing moisture barriers or using waterproofing materials where appropriate to prevent water penetration. This might include sealing gaps around windows, doors, and foundation walls with appropriate sealants.

If the issue continues despite these measures, don’t hesitate to call 800-MOLDS (800-66537) or email hello@saniservice.com for professional assistance. Remember that long-term solutions may require structural changes or specialized treatments beyond what is typically achieved through DIY methods alone.

Stay vigilant and proactive in managing indoor moisture levels, as this will significantly reduce the risk of mold growth and maintain a healthy living environment.
Posted by Sani Admin
Answered on December 12, 2025 5:33 pm