SealGuard Inc Polyurethane Grout

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Water Sealing Blog - Tag: Launch

TBM Launch Pit Injection

By Chris on 01-28-2021

Grouting contractor Sub-Technical, Inc. injects SealGuard II into a launch pit for a tunnel boring machine to stop water infiltration. SealGuard II is fast reacting a dual component polyurethane grout. In this instance, it was injected with a pneumatic pump and a mechanical packer. Note th... Read More

Category:  Company Information
Tags:   TBM Water control Launch Pit Tunnel Rib 


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