Could damp windows be due to mold?« Back to Previous Page

After the rain last month, I noticed a persistent cough and itchy eyes every time we spend time near the window in my bedroom. The windowsill gets pretty damp even after cleaning, and the air feels stuffy inside. Could this be due to mold or something else?
Posted by Hana Al-Thani
Asked on January 24, 2026 5:56 pm
Could damp windows be due to mold? Yes, they absolutely can. The scenario you've described sounds like it could be indicative of a mold issue within your home. In the UAE and specifically in Dubai, humidity levels can fluctuate significantly, especially after rainy periods or during the summer months. Mold thrives in warm, humid environments where moisture is present—just like what's happening with your windowsill.

Mold spores are ubiquitous outside; they enter our homes through open doors, windows, and ventilation systems. Once inside, they can settle on damp surfaces such as wooden window sills, causing the appearance of mold growth. The symptoms you're experiencing—persistent coughing and itchy eyes—are common signs that mold might be present in your indoor environment.

In Dubai, the presence of mold isn't just a matter of comfort; it's also governed by local health and safety regulations. The UAE Ministry of Community Development has guidelines for indoor air quality which include measures to prevent and control mold growth. According to these regulations, it is essential to maintain appropriate levels of humidity within your home to minimize mold risks.

If the dampness on your windowsill persists despite regular cleaning, this could indeed be a sign that mold is actively growing. Mold can produce allergens, irritants, and sometimes toxic substances called mycotoxins which can exacerbate respiratory issues such as asthma or cause other health problems.

Given the potential severity of the situation, I strongly recommend consulting with professionals who specialize in indoor environmental quality for an assessment. In Dubai, companies like Saniservice are well-regarded for their expertise in mold remediation and air quality analysis. You can contact them by calling 800-MOLDS (800-66537) or emailing hello@saniservice.com.

While waiting for professional help, here are a few steps you can take to address the issue temporarily:
1. Increase ventilation: Open windows when possible and use exhaust fans in bathrooms and kitchens.
2. Use dehumidifiers: These devices can significantly reduce indoor humidity levels.
3. Clean thoroughly: Use bleach or other mold-killing products to clean affected areas, but ensure proper ventilation while doing so.

Remember, even if you don't see visible mold growth, the presence of moisture is enough for mold spores to start growing and affecting your health. Don’t delay seeking professional help to address this issue.
Posted by Sani Admin
Answered on January 27, 2026 9:58 am