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    MasterRoc TSG 9 – Tail Sealant for Shielded Tunnel Boring Machines

    How does MasterRoc TSG 9 work?

    MasterRoc TSG 9 effectively seals the gap between the shield and concrete segments to prevent the ingress of water, grout or soil. It is formulated to resist high water and ground pressures, and has excellent pumping properties and adhesion to all surfaces.

    What makes MasterRoc TSG 9 a unique solution?

    • Excellent sealing properties
    • Excellent adhesion to any metal or concrete surfaces
    • Excellent pumping properties