Can sealing roof prevent ceiling leaks?« Back to Previous Page

After the rain last month, I noticed water seeping through the ceiling into our living room. It's been causing a mildew smell that won’t go away no matter how much we clean. We’ve lived here for 2 years and just noticed this issue, and it’s really worrying me. Is there anything specific I can do to prevent this from happening again or at least reduce the mold growth?
Posted by Pranav Nair
Asked on December 18, 2025 5:41 pm
Sealing the roof can indeed be a crucial step to prevent ceiling leaks and reduce mold growth issues, especially in regions like Dubai/UAE that experience fluctuations between dry and humid conditions. However, it's important to understand that sealing alone may not fully address all potential causes of water intrusion.

In the UAE, buildings are required to comply with certain standards set by the UAE Building Code and the National Construction Project Management Authority (NCPMA) guidelines. These codes often emphasize the importance of waterproofing materials and techniques for roofs to ensure they can withstand both heavy rainfall and occasional humidity surges common in the region.

When considering roof sealing, several factors must be evaluated:

Firstly, it's essential to assess whether your roof has any existing damages or leaks that need repair before applying a sealant. Common issues include damaged flashing around chimneys, vents, skylights, and other penetrations; deteriorated membranes; and loose or missing shingles.

If you suspect water infiltration is the culprit behind your current mold problem in the living room, a professional inspection would be highly recommended. This can help identify not only the source of leaks but also any structural weaknesses that might require immediate attention to prevent further damage and ensure long-term safety.

Once identified, addressing these issues through proper repairs will significantly improve the roof's ability to withstand water pressure during heavy rains or high humidity. Professional contractors often use a combination of techniques such as applying sealants, reinforcing existing waterproofing layers, and ensuring all connections are properly sealed against moisture penetration.

After making necessary repairs, consider using a high-quality, UV-resistant roof coating that can provide additional protection from both weather elements and potential chemical degradation over time. This layer acts as an extra barrier to prevent water seepage and helps maintain the overall integrity of the roofing system.

In addition to sealing the roof, maintaining proper ventilation in your home is also crucial. Adequate airflow reduces moisture buildup within walls and ceilings, thereby minimizing conditions favorable for mold growth even if leaks do occur occasionally. Ensure that areas like bathrooms, kitchens, and laundry rooms have sufficient exhaust fans or vents to remove excess humidity promptly.

Lastly, regular inspections of the roof are recommended every two to three years (depending on local climate) to catch any emerging issues early before they lead to significant damage requiring more extensive remediation efforts.

Remember, while sealing can be effective, it's just one part of a comprehensive strategy for protecting your home from water-related damages. For detailed advice specific to your situation or to schedule an inspection with experts in Dubai/UAE, feel free to contact Saniservice at 800-66537 or email hello@saniservice.com.
Posted by Sani Admin
Answered on December 21, 2025 11:01 am