Is a musty smell in a dry basement harmful?« Back to Previous Page

After the rain last month, I noticed a musty smell lingering in the basement, even though it was completely dry. My husband and I can’t figure out where it’s coming from, and my kids have been complaining of coughing fits every time they go down there to play with their toys. Is there anything we can do to prevent this from happening again or at least improve the air quality in our basement?
Posted by Chen Matsumoto
Asked on February 6, 2026 5:19 am
0
A musty smell in a dry basement can indeed be harmful. This odor is often linked to mold growth which thrives in damp conditions even if the surface appears dry. In Dubai and the UAE, it's common for basements to experience humidity levels that can support microorganisms like mold, fungi, and bacteria.

In the UAE, regulations around indoor air quality are not as stringent as some other countries, but it is crucial to ensure a healthy environment within your home or property. The musty smell could be an indicator of hidden dampness or even moisture from outside sources such as soil, plumbing leaks, or improper ventilation.

Firstly, it's important to investigate the source of the odor. You might want to call 800-MOLDS (800-66537) or email hello@saniservice.com for a professional inspection. They can help identify if there is mold growth or any other issues causing this smell.

To prevent such smells from recurring, here are some steps you can take:

1. Improve Ventilation: Ensure that your basement has proper ventilation to reduce humidity levels. Open windows when weather permits and use exhaust fans to remove moisture-laden air.

2. Dehumidifiers: Consider installing a dehumidifier in the basement. This device can help keep relative humidity below 50%, which is generally considered safe for preventing mold growth.

3. Check for Leaks: Inspect your basement walls and floors for any signs of water damage or leaks, especially around pipes and where exterior meets interior walls.

4. Clean Regularly: Regular cleaning can help prevent the buildup of dust and other allergens that could contribute to respiratory issues in children. Use a damp cloth or mop rather than dry sweeping which can stir up dust particles.

5. Seal Permeable Areas: Seal any cracks, gaps, or holes in walls, floors, and ceilings to prevent moisture intrusion from outside.

6. Consider Professional Remediation: If you find mold during your inspection, it’s crucial to address the issue properly. Mold remediation should be done by professionals who can ensure that all contaminated materials are removed safely without causing cross-contamination.

The musty smell in your basement could pose health risks, particularly for children experiencing coughing fits. It's important not to ignore these signs and take steps to improve air quality. By addressing the source of moisture and implementing preventive measures, you can create a healthier environment for your family.
Posted by Sani Admin
Answered on February 11, 2026 2:39 am