Sealing Underground Structures

Curtain Grouting Tutorial
Step-by-step, how-to tutorial on curtain grouting including personal protection to clean-up including best practices.
Crack Injection Tutorial
Step-by-step, how-to tutorial on crack injection including personal protection to clean-up including best practices.
Curtain Grouting
Curtain grouting technique is proven to stop groundwater infiltration.
Oakum Soakum Technique
View Oakum Soakum technique during Department of Transportation project.
Curtain Grouting Brick Manhole
View Avanti chemical grout being pumped through a brick manhole structure into the soil to create a grout curtain to stop infiltration.
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.
Manhole: Horizontal Crack Injection
View Avanti chemical grout being injected to stop horizontal leaks within the manhole wall to stop infiltration.
Manhole: Vertical Crack Injection
View Avanti chemical grout being injected to stop vertical leaks within the manhole wall to stop infiltration.
Stop Infiltration in Tunnels and Mines
View animation of stopping water infiltration through curtain grouting in tunnels and mines, such as salt, diamond, copper, potash and gold.
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.