Summary

I-liner DP method is the method which reversely insert the hose that has been impregnated with a thermosetting resin (liner) to the pipes that have many 90 °elbow which has been difficult until now; to form a new pipe in the existing pipe'surface.

Feature

• ・Can be used for all pipe line forms (up to 7 elbow, up to about 30m)
• ・Shorten construction time compared with excavation work
• ・Even for existing eroded pipes, the lining layer by itself can have the strength to withstand the external pressure