AV-202-LV Multigrout LV Files
When they designed our 300,000 square-foot office building, the engineers knew it would be built over an underground river. After all, the river has been there for at least 20,000 years, but they thought the flow would stop in the dry season.
In 1997, serious leaks developed at George Bush Intercontinental Airport in a long utility tunnel connecting a passenger terminal with the central plant.
Chemical grout has been stopping leaks in concrete structures for over 25 years. In concrete dams, chemical grout forms a permanent, flexible, compression-type seal that stops water movement.