MasterRoc TSG 9 - Tail sealant for shielded tunnel boring machines (TBM)

How does MasterRoc TSG 9 work?

MasterRoc TSG 9 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 or soil. 

MasterRoc TSG 7 is recommended for tunneling with shielded TBMs equipped with a brush seal system.

What are the unique features of MasterRoc TSG 9?

MasterRoc TSG 9 is formulated to resist high water and ground pressures, and has excellent pumping properties and adhesion to all surfaces.

What are the benefits of MasterRoc TSG 9?

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


MasterRoc TSG 9 Safety Data Sheet Australia

pdf (102.86 Kb)

MasterRoc TSG 9 Technical Data Sheet

pdf (100.44 Kb)