UK leader in Construction Chemicals



The Parex tunnelling range covers a wide variety of tasks in the tunnelling sector where high integrity solutions are essential.

Parex tunnelling products cover both installation and repair requirements backed by expert technical advice and support by qualified engineers who understand the challenges of the industry.

The company’s experience extends to the development of bespoke materials to meet the specific needs of key contractors in the sector.

  • In This Section
  • Contacts

New Tunnels

PAREX provides a range of high performance caulking and repair materials for sealing and making good precast tunnel segments.


A choice of material for tunnel refurbishment and repair including water stopping, pointing, caulking and grouting of concrete segments.


Arthur McNiven

Arthur McNiven

Pointing Sector Specialist

01257 224900