Concrete Floor Seeping Water

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This new construction concrete floor was leaking ground water at a joint.  Polyurethane grout was pressure injected through mechanical packers to seal off the flow.  The grout was Hyperflex, a single component moisture activated material that is manufactured by SealGuard, Inc.  Hyperflex is pre-catalyzed and in NSF-61 approved for potable water.  The grouting was done […]

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Water Traveling Along a De-Watering Pipe in a Hard Rock Mine

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  The picture on the left is water traveling down the outside of de-watering pipe in a hard rock mine.  The picture on the right is after the annulus of the pipe was injected with polyurethane grout to control the unwanted groundwater infiltration.  This high-pressure injection of grout was able to stop the water in […]

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Earthen Dam Repair

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Earthen dams losing water can be injected with polyurethane grout to seal the leak paths.  Here holes were drilled along the crest of the dam which enabled lances to be inserted.  The lances were then hooked up to a pump and injected with Hyperflex.  Hyperflex is a single component polyurethane grout that is moisture activated.  […]

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Creek Draining into Abandoned Mine Creating AMD

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This dry creek bed was created by the water draining into an abandoned mine below.  Not only was this creating a dried-up creek, but the water also leaving the mine at another location was creating acid mine drainage.  To prevent the water from entering the mine, the creek bed was injected with polyurethane grout.  The […]

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Detention Pond Riser Leak

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Stormwater from a parking lot was going through the joints of this detention pond riser. Polyurethane grout was injected to stop the unwanted infiltration. The polyurethane grout that was used was Hyperflex, manufactured by SealGuard, Inc. Hyperflex is a single component, moisture activated grout that is NSF/ANSI/CAN 61 approved for potable water. The grouting was […]

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Bridge Rehab with Polyurethane Grout Injection

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Although structurally sound, this bridge had some hairline cracks that would continually drop water onto traffic below. By inserting mechanical packers alongside the fractures and injecting polyurethane grout, the seepage was able to be stopped. The polyurethane grout used in this application was Hyperflex, a single component, moisture activated material that is NSF 61 approved […]

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