Watch HK Sewer | Manhole Being Sprayed with Polyurea

In Hong Kong's aging sewer infrastructure, brick and mortar manholes are particularly vulnerable to crumbling. This video shows how ArmorThane trains workers to spray polyurea to stop deterioration and strengthen walls of sewers and manholes. ArmorThane moisture-resistant polyurea is a long-term solution instead of patching existing problems or completely rebuilding.