Why is there a musty smell after rain?« Back to Previous Page

After the rain last month, I noticed a musty smell in the corner of my living room near the window. The walls seem damp despite having used a dehumidifier. What could be causing this and how can I prevent mold from growing again?
Posted by Ying Dang
Asked on December 21, 2025 7:04 pm
The musty smell after rain is often due to the presence of mold. In dubai, the higher humidity levels during rainy spells can create ideal conditions for mold growth, especially in areas that might have been dampened or where moisture has accumulated.

In your case, despite using a dehumidifier, you still noticed a damp spot near the window in your living room. This could be due to several factors: inadequate ventilation, poor insulation, or even a slight leak. Mold spores can travel through air and settle on surfaces like walls, making them appear damp even if you're not visibly seeing water.

To prevent mold from growing again, it's crucial to address the root cause of moisture accumulation. Start by inspecting your window seals for any damage that might be allowing rainwater in. Ensure proper ventilation is maintained; use exhaust fans or open windows when showering or cooking, and consider installing a whole-house fan if necessary.

Regularly clean areas prone to moisture with a solution of 1 cup bleach per gallon of water (though this may not be allowed in all UAE buildings without professional guidance). For persistent issues, contact a certified mold inspector. In Dubai, regulations require that any remediation work involving over 50 square meters must be done by licensed professionals.

Remember to maintain your dehumidifier and check it regularly for proper functioning. If you notice any signs of water damage or mold growth, act promptly to clean and dry the area before professional assistance is needed.

For further guidance and support, feel free to contact Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com. We are here to help ensure your home remains a healthy environment for you and your family.
Posted by Sani Admin
Answered on December 23, 2025 3:15 pm