The volume of water leaking through this sheet pile made it impossible to pour a concrete pad along a river. To reduce the inflow, polyurethane grout was injected into the seams of the sheet pile. The polyurethane grout used was SealGuard II, manufactured by SealGuard, Inc. SealGuard II is a fast-reacting dual component hydrophobic material. The grouting was performed by Sub-Technical, Inc.
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