SPR™ is a spiral wound trenchless pipeline renewal process designed for the rehabilitation of large diameter pipelines up to 217''. SPR™ utilizes steel reinforced interlocking PVC profile strips grouted in place with a high compressive strength grout. The installation equipment can be utilized via standard access points without site excavation. The Japanese SPR™ technology can also be installed in vertical applications such as wet wells, access shafts and other large diameter structures.
The benefits of SPR™ at a glance: