The PLUGLINE pipe stoppers are designed for quick and reliable sealing and blocking of sewers, pipes, gullies and drainages. They are recommended mainly in case of repairs, maintenance, failures, and they are ideal for leak inspections by performing hydrostatic testing. When performing hydrostatic testing, these plugs are placed at the other ends of the pipes to block the pipes under test. Another common use of pipe stoppers are  to prevent the ingress of water, gases, construction waste, dust, rat and rodent into a newly constructed pipe lines.