SPR™ 91-22 Ros Lining System

Sekisui Rib Loc Australia Pty Ltd


To assess the SPR™ 91-22 Rotaloc® lining system for use in the renovation of both fully and partially deteriorated circular gravity sewers with diameters 800 mm to 1800 mm.

It is not applicable to:

  • • Watertightness of end seals; or
  • • Reconnection of laterals.

Product Description

SPR™ RO ST is a spirally wound pipe lining system. The system comprises a continuous profiled strip of PVC-U plastic reinforced with steel. The profiled strip is formed into a tubular liner configuration by a winding machine that travels along the host pipe, interlocking the strip into a tubular configuration against the host pipe as it goes.

Full details can be found in the Assessment Schedule opposite.

Approval period

1st March 2021 - 1st March 2026

Click on certificate to enlarge

View Assessment Schedule.