LJ - Longitudinal

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Longitudinal Joint System

This system has been developed to provide an effective method of sealing longitudinal expansion gaps and soffits.

The joint can accommodate both longitudinal and vertical movement; the 'LJ' Joint also provides a substantially watertight seal to non-trafficked gaps between structures and is available in two sizes depending on the requirements of the individual project.

The 'LJ' Expansion Joint System has the flexibility to be used as a waterproof cover joint or alternatively as a drainage channel under joint with the facility to install drainage outlets into the system where required.



  • Rapid Installation
  • Low maintenance
  • Cost effective
  • Installed by USL's experienced and fully trained workforce.