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