Abstract: A method of installing fibreglass pipelines. Pull points are established at spaced intervals along the pipeline. Endless tubing liners are pulled through the pipeline between pull points to bridge a plurality of pipe joints. The endless tubing liners are expanded by gradually increasing pressure to force any fluids in the annulus out of vents. The endless tubing liners prevent leakage through the plurality of pipe joints connecting the sections of fibreglass pipe along the pipeline and the fibreglass pipe provides outer reinforcement for the endless tubing liners, enabling the endless tubing liners to maintain pressure containment.