Drain Dictionary

Repair Methods

Relining, pipe bursting, excavation and the other ways drains get fixed.

Excavation and Replacement The traditional dig-and-relay repair: excavating down to the damaged pipe, removing it, and installing new pipe on proper bedding. Junction Reinstatement Robotically cutting open the branch connections that get covered when a drain is relined, restoring flow from every connected fixture. Patch Repair A short sectional liner — typically 600 mm to a few metres — cured in place over a single defect, instead of relining the whole pipe. Pipe Bursting A trenchless replacement method where a bursting head is pulled through the old pipe, shattering it outward while dragging a brand-new pipe into the same alignm Pipe Relining A trenchless repair that creates a new structural pipe inside the old one, using a resin-saturated liner that is inserted, inflated and cured in place. Robotic Cutting Using remote-controlled cutting robots inside a drain to grind away obstructions — protruding junctions, hard scale, concrete, failed liners or intruding connec

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Pipes & Materials (4) Drainage Structures (8) Blockages & Causes (14) Inspection & Technology (9) Cleaning & Clearing (3) Plumbing Fixtures (3) Sewer Systems (8) Stormwater (8) Trade Terminology (5) Regulations & Standards (5) Water Flow & Hydraulics (5) Tree Roots & Vegetation (2) Maintenance & Prevention (1)

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