Why is there a persistent musty smell in my closet?« Back to Previous Page

After the heavy rain last month, I noticed a musty smell in my bedroom closet. The closet is right next to an exterior wall that always seems damp, even when it’s not raining. The smell has been there for about two weeks now and doesn’t seem to go away no matter how many times I clean or air out the space. What could be causing this and how can I prevent it from happening again?
Posted by Jing Xu
Asked on March 3, 2026 12:28 pm
The musty smell in your closet could be due to an accumulation of moisture and possibly mold growth. In the UAE, especially during our humid months, dampness can seep into spaces through exterior walls, particularly those close to the ground level or facing direct exposure to weather conditions. This scenario is quite common in Dubai where we experience a combination of high humidity from the Persian Gulf and occasional heavy rainfall.

The persistent nature of the smell suggests that the moisture issue may be ongoing rather than just a transient condition. A likely cause could be condensation forming on your closet's walls due to differences in temperature between the exterior wall and interior environment, or perhaps there is an undetected water leak from above or outside the wall.

To address this issue comprehensively, you might consider conducting a professional moisture testing and mold inspection. This will help identify the exact source of the moisture and any existing mold colonies that could be contributing to the smell. In Dubai, regulatory standards like UAE Decree No. 26/19 for building codes require buildings to maintain indoor air quality, but it's still advisable to ensure your home adheres to these guidelines.

Practical steps you can take include:

• Inspect exterior walls and seals around windows and doors for any signs of water infiltration.
• Use dehumidifiers in high-moisture areas to reduce humidity levels. In Dubai, maintaining a relative humidity below 60% is recommended to prevent mold growth.
• Ensure proper ventilation in your closet by installing an exhaust fan if necessary.
• Clean the area thoroughly using a solution of water and vinegar or baking soda to neutralize odors. Let it dry completely before storing items.
• Seal any gaps between walls and floors with silicone caulk to prevent moisture from seeping through.

If you notice visible mold growth or if the smell persists despite these measures, it's important to contact professional remediation services immediately. Saniservice is a reputable company that can provide both inspection and remediation for such issues. You can call 800-MOLDS (800-66537) or email hello@saniservice.com for assistance.

Remember, early intervention can prevent the situation from worsening and potentially causing more significant structural damage to your property.
Posted by Sani Admin
Answered on March 6, 2026 6:24 am