​MasterRoc TSG 7

Tail sealant for shielded tunnel boring machines (TBM)

How does MasterRoc TSG 7 work?

MasterRoc TSG 7 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.

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

What are the unique features of MasterRoc TSG 7?

MasterRoc TSG 7 is formulated to resist high water and grout pressures, and has excellent adhesion to all types of surfaces. It is designed as a first fill sealant.

What are the benefits of MasterRoc TSG 7?

• Excellent sealing properties
• Excellent adhesion to any metal or concrete surfaces
• Good pumping properties if pumping system is moved close the application location