Is ground floor humidity causing mold growth?« Back to Previous Page

After the rain last month, I noticed a musty smell in my bedroom closet. It’s really starting to worry me because my kids have been complaining of stuffy noses and coughs. The closet is on the ground floor, so it gets extra humid during rainy days. Is there anything specific I can do to prevent mold from growing again?
Posted by Hassan Al-Sayed
Asked on January 17, 2026 12:34 am
Is ground floor humidity causing mold growth?

Yes, the high humidity levels on the ground floor can indeed lead to mold growth. The musty smell and symptoms like stuffy noses and coughs are common indicators of mold presence. Mold thrives in damp environments, particularly in areas with poor ventilation or where water damage has occurred.

Given your situation, it is essential to take proactive measures to prevent further mold growth and ensure the health of you and your family. Here’s a step-by-step guide on what can be done:

Firstly, assessing the moisture level using a hygrometer would provide valuable information about current humidity levels in your bedroom closet. Ideal indoor relative humidity should not exceed 60%, ideally keeping it below 50% to inhibit mold growth.

Implementing a dehumidifier in the affected area could significantly reduce moisture content, making conditions less favorable for mold proliferation. Ensure you choose one with a capacity suitable for the space and maintain it regularly by emptying collected water.

Ventilation is crucial; opening windows when weather permits can aid in air exchange, reducing humidity. In Dubai, where temperature fluctuations are common between day and night, this strategy works well to control indoor moisture levels. Additionally, installing exhaust fans or dehumidifier units that vent directly outside will further enhance removal of moist air.

Inspecting the closet for any signs of water damage, leaks, or flooding is imperative. If these issues are found, addressing them promptly could prevent mold from taking hold. Seal gaps around doors and windows to minimize external moisture infiltration.

Applying mold-resistant paint or coatings on surfaces prone to moisture can also act as a preventive measure. These products contain additives that inhibit fungal growth and provide an extra layer of protection against mold spores.

While these steps are highly effective, it's recommended to consult with professionals for thorough inspections and remediation if the situation persists or worsens. Here in Dubai, Saniservice offers comprehensive mold inspection and remediation services; their hotline 800-MOLDS (800-66537) or email hello@saniservice.com can provide further assistance.

Remember, maintaining cleanliness and dryness is key to preventing future issues with mold growth. Regularly cleaning the closet and other damp areas will go a long way in keeping your living environment healthy and mold-free.
Posted by Sani Admin
Answered on January 18, 2026 3:06 pm