MEYCO TSG 7 

MEYCO TSG7 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 soil, water or grout.

MEYCO TSG7 as a “first fill” product.

MEYCO TSG7 is recommended for tunnelling with shielded TBM's equipped with a brush seal system.