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Caulking Segments

Industry standard caulking material for improving the water-resistance of joints between precast tunnel sections. Formulated for easy mixing and use at the tunnel face.

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Terracaulk 30

A hand-applied caulking mortar used to improve the water resistance of tunnel segment joints.


Eamonn Duncan

Eamonn Duncan

Rail, Underground and Tunneling Sector Specialist

01827 711755

Arthur McNiven

Arthur McNiven

Pointing Sector Specialist

01257 224900