Learn why roof waterproofing fails in tropical climates, from heavy rain and humidity to weak details, poor drainage and repeated patch repairs — and how the right Triflex system helps prevent recurring leaks.

Balcony leaks are one of the most common—and costly—building issues in tropical climates like Singapore and Southeast Asia. And yet, most balconies are still finished with tiles. The problem? Tiles are not waterproofing systems. They are just a surface.

Flat roofs look simple. But in Singapore, they are one of the most challenging elements to protect. Constant rain, high humidity, UV exposure, and thermal movement create a perfect environment for waterproofing failure. And once water gets in, it rarely stays contained.