Large Void Filling

Curtain Grouting Concrete Manhole
View Avanti chemical grout being pumped through a concrete manhole structure into the soil to create a grout curtain to stop infiltration.
Fast-Set Hydrophobic Foam for Water Stop
Demonstration of the expansion that happens behind the wall to stop groundwater infiltration.
Probe Grouting
View how probe grouting makes a positive seal on the perimeter surface of the manhole to eliminate infiltration.