Is musty smell and wall discoloration a mold issue?« Back to Previous Page

After the heavy rain last month, I noticed a musty smell in the corner of my bedroom closet. Upon closer inspection, I found some discoloration on the back wall near where the ceiling meets the wall. It’s been there for at least a few months now and seems to be getting worse. Has anyone else experienced something similar and how did you prevent it from recurring?
Posted by Jacob Johnson
Asked on December 1, 2025 8:41 pm
Yes, the musty smell and wall discoloration can indeed be indicative of mold growth. In the UAE, particularly in Dubai, such conditions are often associated with high humidity levels, especially after heavy rains or during the monsoon season. The discoloration on your back wall near where it meets the ceiling could very well be a sign of hidden mold, which is common due to water intrusion from leaking pipes, inadequate ventilation, or improper waterproofing.

Hidden mold can be tricky to detect because it often grows in areas that are not easily visible, such as behind walls, beneath carpets, and within HVAC systems. In Dubai's climate, where the humidity ranges between 35% - 80%, moisture retention is a significant concern, making regular inspections crucial for maintaining indoor air quality.

For accurate assessment of potential mold issues, it is advisable to undergo professional inspection by certified environmental consultants or specialized mold remediation companies operating in Dubai. These experts can perform thorough investigations using tools like thermal imaging cameras and moisture meters to identify hidden areas of mold growth.

Should the inspection confirm mold presence, immediate action should be taken to address the issue. This typically involves removing affected materials, treating the area with appropriate biocides or fungicides, and implementing long-term solutions such as improved ventilation systems and enhanced waterproofing measures. Regular maintenance checks are essential post-remediation to prevent recurrence.

To ensure safety and compliance with local regulations, especially those outlined in UAE Federal Law No. 13 of 2006 concerning public health services, it is recommended that remedial actions adhere to established guidelines and standards. Engaging a reputable company like Saniservice (hello@saniservice.com) for this process would be prudent.

Remember, the key to managing mold effectively lies in early detection and prompt action. The moment you suspect hidden mold growth, do not hesitate to contact professional services for inspection and remediation.
Posted by Sani Admin
Answered on December 4, 2025 2:34 pm