This method involves injecting a flexible gel behind the wall of a below grade structure through a series of pre-drilled holes, effectively “curtaining” the positive side of the wall. This technique is especially effective for structures that are difficult to access from the outside and often preferred for its ability to deliver long-lasting protection without the need for excavation. It is particularly effective for below grade structures such as:

• Parking Garages
• Expansion Joints
• Storm Tanks
• Elevator Pits
• Rubble Walls
• Subway & Maintenance Tunnels
• Mechanical Rooms

Crack injection with polyurethane and epoxy is a widely used method for repairing and sealing cracks in concrete structures. The choice between polyurethane and epoxy depends on the specific needs of the project—whether the primary goal is waterproofing or structural reinforcement.

Cementitious waterproofing is known for its versatility as it can be applied to both horizontal and vertical concrete and masonry surfaces. This technique involves applying a cement-based coating or slurry to the surface, creating a durable, waterproof barrier. It is particularly effective for below grade structures such as:

• Parking Garages
• Expansion Joints
• Storm Tanks
• Elevator Pits
• Rubble Walls
• Subway & Maintenance Tunnels
• Mechanical Rooms