Ultraliner PVC Alloy Pipeliner

October 2012, Vol. 67 No. 10

Ultraliner PVC Alloy Pipeliner is the perfect pipeline rehabilitation solution for gravity and low pressure wastewater or storm sewers and culverts.

The PVC Alloy material can be "thermoformed" at steam temperatures, enabling Ultraliner PVC Alloy Pipeliner to essentially "blow-mold" to the conformation of the host pipe. Upon "blow-molding," Ultraliner PVC Alloy Pipeliner will conform almost exactly to the shape of an existing pipeline, including size transitions, tight bends, offset joints and other irregularities. Ultraliner PVC Alloy Pipeliner will even conform tightly to the shape of corrugated pipe.

Due to Ultraliner's unique material and installation process, there is no significant shrinkage, neither radially nor longitudinally, after it has been installed. Therefore, it maintains its tight fit (and its ability to control groundwater migration) for the design life of the material.

The PVC Alloy Pipeliner is folded in the field with small diameter pipe liners (12-inches or smaller) and may be deflected to a smaller circumference at the factory during the manufacturing process with the "bulkier" large diameter pipe liners (larger than 12 inches). This reduces the cross-sectional area of the pipe by almost half without disrupting the ability to effectively "blow mold" the pipe liner into its new memory configuration.

After the pipe liner has properly cooled, pressure is relieved and the ends are trimmed at least three inches from the manhole walls. Lateral service lines are located and reopened using remote-controlled devices. The unique Ultraliner PVC Alloy material is more ductile (less brittle) and relieves stresses more readily than typical PVC compounds, thereby avoiding cracking or shattering of the pipe liner when the services are reestablished. 256.831.5515, ultraliner.com