MasterRoc TSG 16 - Oil free tail sealant for shielded Tunnel Boring Machines (TBM)

How does MasterRoc TSG 16 work?

MasterRoc TSG 16 is a tail sealant for shielded tunnel boring machines. It effecticely seals together with wire brushes the gap between the shield tail and the concrete segments to prevent the ingress of water, grout and soil. It is formulated to resist water and grout pressures, and has excellent pumping properties. It has special rheological properties for excellent spreading in the sealant chamber.

What are the fields of application?

Tunneling with shielded TBMs equipped with a brush seal system.

What are the features and benefits of MasterRoc TSG 16?

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


MasterRoc TSG 16: Technical Data Sheet

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