Water leakage at Hanoi Metro Station: Causes, impacts, and a sustainable waterproofing solution with Triflex
In May 2025, several water leakage incidents were reported along the Cat Linh – Ha Dong metro line, notably at Yen Nghia Station and inside train carriages. These incidents have raised public concerns about the quality and durability of urban infrastructure. More importantly, they pose safety risks and could lead to rising repair costs over…

