Should dampness be sealed in basement?« Back to Previous Page

After the heavy rains last month, I noticed a persistent dampness in the basement area of our apartment. The walls seem to be slightly damp despite no leaks, and my family has been complaining about an odd musty smell that lingers even after airing out the space. Is there anything specific we should check or seal to prevent this from happening again?
Posted by Jean Mueller
Asked on February 11, 2026 1:47 pm
0
Absolutely, dampness should be sealed in your basement. In the UAE, especially in Dubai where we experience high humidity levels, it's crucial to address any moisture issues promptly to prevent structural damage and maintain a healthy indoor environment.

Firstly, let's talk about what might be causing the dampness you're experiencing. It sounds like water intrusion from outside isn't the sole issue. The musty smell could indicate that there's an underlying mold or mildew problem, which is quite common in humid conditions. Mold thrives in moist environments and can spread quickly if not addressed.

To tackle this situation effectively, here’s what you should consider:

1. Inspect for Leaks: Start by thoroughly inspecting the basement walls and floor for any signs of water leaks, even small ones that may be hard to spot. Look out for discolored areas or cracks where moisture might seep in.

2. Check the Foundation: The foundation is a key component in preventing dampness. Ensure it's well sealed with waterproof coatings or membranes. Dubai regulations require buildings to have adequate drainage systems and waterproofing measures, but sometimes these can degrade over time.

3. Ventilation: Poor ventilation can exacerbate moisture issues. Consider installing exhaust fans to help dry out the basement and prevent condensation from building up. In Dubai, it's advisable to maintain a good airflow to keep humidity levels down.

4. Duct Sealing: This might not directly relate to your current issue but is an important aspect of indoor air quality. Ducts can become sources of moisture if they're damaged or improperly sealed. If you have a HVAC system, make sure all duct joints are properly sealed with appropriate materials and that there’s no air leakage.

5. Professional Inspection: Given the persistent dampness and musty smell, it might be best to seek professional help. In Dubai, companies like Saniservice can provide thorough inspections and remediation services. They can identify hidden issues and recommend suitable solutions tailored for your specific situation.

6. Basement Waterproofing: If the above steps don't resolve the issue, consider a comprehensive basement waterproofing system. This could include applying water-repellent coatings or installing a sump pump with a backup generator to ensure it works even during power outages.

Remember, addressing dampness in your basement is not just about fixing immediate problems but also about preventing long-term issues like mold growth and structural damage. For peace of mind and optimal indoor air quality, don’t hesitate to contact experts who can provide personalized advice and solutions based on the unique conditions of your home.

Call 800-MOLDS or 800-66537 for professional help or email hello@saniservice.com if you need more information.
Posted by Sani Admin
Answered on February 17, 2026 12:29 am