MasterRoc TSG 6 – Tail Sealant for Shielded Tunnel Boring Machines (TBM)

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​Formerly: MEYCO TSG 6

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What is MasterRoc TSG 6​?

MasterRoc TSG 6 is a tail sealant for shielded tunnel boring machines. It effectively seals the gap between the shield and concrete segments to prevent the ingress of water, grout and soil. It is formulated to resist high water and ground pressures, and has excellent pumping properties and adhesion to all types of surfaces.

Fields of application

Tunnelling with shielded TBMs equipped with a brush seal system.


Features and benefits

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