TriState Utilities
Trenchless
Sewer Rehabilitation
Technologies

PVC Alloy Fold and Form Liner

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Another of Tri-States methods for repairing damaged sewers and storm drains is Ultraliner, the PVC alloy fold and form liner specifically engineered for trenchless applications. Inserted through the manhole, Ultraliner conforms to the shape of the existing pipeline leaving no annular space. Its unique compound allows the memory of the material to be changed permanently, and is resistant to most chemicals and abrasives. Ultraliner has full, independent structural integrity and extremely high impact strength. It is available in diameters from 4" to 24".

The Tri-State Advantage:


  • Eliminate Infiltration

  • Structural Support of Host Pipe

  • Will Not Degrade in Sewer

  • Forms Tightly to Bends & Curves

  • Dimples Out into Connections

  • Will Not Creep or Shrink

  • 4" to 24" Diameter