Why is there a mildew smell after rains?« Back to Previous Page

After the heavy rains last month, I noticed a mildew smell coming from the corner of my bedroom closet. The walls seem damp despite using dehumidifiers. What could be causing this, and how can I prevent it from happening again?
Posted by Giulia Becker
Asked on December 17, 2025 2:23 am
The occurrence of mildew smell following the heavy rains can be attributed to several factors. In the context of the UAE and Dubai specifically, humidity levels tend to increase during such weather events, creating an environment conducive for mold growth.

In your situation, it's likely that the dampness in the corner of your bedroom closet is due to inadequate moisture management within the structure. Even with dehumidifiers in place, they might not be sufficient if the area has poor ventilation or if there are underlying issues like water seepage through walls or a leak from plumbing fixtures.

Mold thrives in environments where humidity levels exceed 70%, and where surfaces remain wet for prolonged periods—conditions that can easily arise post-rain. Additionally, if the material of your closet's walls is porous or contains organic components such as wood or paper products, these can serve as food sources for mold spores.

To address this issue effectively, you should consider a few practical steps:

Firstly, ensure thorough drying of the affected area by using dehumidifiers and fans. Open windows if weather permits to allow cross-ventilation. It’s also advisable to use desiccant packets or silica gel in affected areas to absorb excess moisture.

Secondly, inspect for any hidden water sources such as leaking pipes behind walls or issues with plumbing connections that might have gone unnoticed due to the recent rains.

Thirdly, consider professional mold inspection and remediation if you notice visible mold growth or suspect a serious infestation. In Dubai, regulations mandate that any significant mold issue should be addressed by certified professionals who can ensure safe removal of contaminants and proper restoration of affected areas.

For immediate assistance in this matter, you might want to contact Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com for expert guidance tailored to the local conditions.

Lastly, maintaining a consistent monitoring system through regular inspections and ensuring proper moisture control measures can prevent future occurrences. Regularly checking areas prone to dampness such as corners of closets, behind furniture, and near windows can help catch potential issues early on before they escalate into larger problems requiring extensive remediation work.
Posted by Sani Admin
Answered on December 19, 2025 5:26 am