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Roof coating is often marketed as a fast and affordable solution for roof leaks. In Singapore, many homeowners are told that applying a roof coating will “seal” leaks and prevent water ingress.
The truth? Roof coating does not fix roof leaks.
At best, it delays the problem. At worst, it makes the damage more expensive to repair.
This article explains why roof coating fails, the real causes of roof leaks, and what solutions actually work in Singapore’s climate.
Roof coatings are designed to:
🚫 They are not designed to stop active water leakage.
Most roof leaks originate below the surface, where:
A coating simply sits on top and cannot seal structural cracks or weak joints.
In Singapore, common causes of roof leaks include:
Roof coating does not address any of these issues.
💡 Water will always find the path of least resistance — underneath the coating layer.
Singapore roofs are exposed to:
Most roof coatings:
Once micro-cracks form, water penetrates silently, spreading beneath the coating before leaks become visible again.
One of the biggest dangers of roof coating is trapped moisture.
If water is already inside the slab:
By the time leaks reappear, structural damage is often worse.
Most contractors offering roof coating:
In contrast, professional waterproofing systems:
To permanently stop roof leaks, the solution must address what’s beneath the surface.
These waterproofing systems are built to handle Singapore’s heavy tropical rainfall and high humidity.
Roof coating may look like a quick fix, but it does not solve the cause of roof leaks.
Don’t coat over a leak. Fix the root problem.
A leaking roof is like a broken LEGO brick — you don’t seal it and hope for the best. You replace the damaged component so the entire structure remains strong. The same principle applies to roof leaks: coating hides the problem, but proper waterproofing fixes it.
If your roof is leaking, the optimal solution is professional roof waterproofing — not surface coating. Contact Triton Construction, a trusted waterproofing specialist in Singapore, for a lasting solution.