UK leader in Construction Chemicals


Rail and Underground Rail

Parex is a key supplier to the rail and underground sector, providing a range of materials specially formulated for task-specific uses where limited possessions and time frames demand reliable materials that perform consistently time after time.

Technical support for the sector is unsurpassed, providing access to qualified building engineers who hold the relevant safety accreditation and confined space approvals to provide the highest levels of technical support in the field.

Parex offers a broad range of products from its range which is renowned in the rail and underground sector for providing quality products that perform. Several materials in the range hold specific approvals, including LUL – London Underground.

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Concrete Repair - LUL Approved

A broad range of concrete repair materials, many with LUL approvals, for concrete repair, grouting and protection in tunnels and underground installations.


The Parex range provides a choice of gun applied specialist mortars for all types of re-pointing work on rail structures and includes lime-based materials for remedial work to older structures where there is a need to accommodate minor movement.

Rail - Anchors

A wide selection of materials for high strength anchoring applications, both for general setting of bars, dowels and mechanical fixings and for specific tasks such as bonding into horizontal or vertical holes.

Rail Plates

A choice of grouting and fixing high strength vibration-resistant materials for fixing base plates and rail plates in both the public rail sector and industrial rail installations.


Products suitable for use when replacing old wooden sleepers with new concrete units. Designed for fast setting during limited closure times on underground and rail networks.

Track Slab

A choice of non-shrink high strength products for track slab laying operations.


Arthur McNiven

Arthur McNiven

Pointing Sector Specialist

01257 224900