What is Trenchless Pipe Repair?

There is nothing worse than coming home from work only to find that the toilet has flooded the bathroom or waking up in the morning and turning the shower knob only to get nothing come out. Our water and waste systems are absolutely fundamental to every part of our lives from cooking to cleaning or even just pouring ourselves a little glass of water.


Having a damaged pipe, drain or sewer can quickly develop into a serious issue. Aside from not being able to use your plumbing a cracked pipe can also cause damage to the surrounding property as water builds up and starts eating away at your garden or housing infrastructure. That’s why getting it repaired quickly should be a top priority.


What is trenchless pipe repair?stormwater drain repair


Trenchless pipe repair, also called pipe relining, is a technique for repairing pipes efficiently. Pipe relining was invented as a response to traditional pipe replacement which was severely limited by the fact that in order to repair pipes plumbers would have to go in and dig up the old one. This meant digging down into your garden, breaking through floors or excavating the driveway which could cause significant damage to the property.


Pipe relining on the other hand works around this issue by allowing plumbers to keep the old, damaged pipe in place and repair it from the inside, without having to dig it out.


How does trenchless pipe repair work?


Trenchless pipe repair normally involves several steps.


  1. The plumber inspects the interior of the pipe. Another fantastic technological advancement is the invention of the thin CCTV camera which can be inserted into a pipe through a small hole to inspect the interior. At this point the plumber is looking for the cause of the damage and how extensive it is across the plumbing system.
  2. The plumber clears out any blockages. Cracked or damaged pipes can manifest for any number of reasons and often cause blockages by allowing tree roots into the plumbing or sediment to build up and harden on the walls, impeding the flow of water and waste. If any blockages are found plumbers can use a high pressure water jet or a robotic cutting machine to cut through the obstruction and clear out the pipe ready for relining.
  3. The plumber relines the pipe. Finally the plumber will use the small hole in the pipe to introduce a material called epoxy resin into the interior. The epoxy resin is used to line the walls, which then hardens, patching up any cracks or damaged sections and becoming the new walls of the existing pipe, all without having to dig out the old one.


What are the advantages of trenchless pipe repair?The Pipe Relining Team Removing Tree Roots from Drains


There are two main advantages of pipe relining:


  • Less damage to your home. Trenchless pipe relining works by allowing the old pipe to remain in the ground, meaning no need to dig it up and cause damage to the surrounding property.
  • More cost efficient repair. Pipe relining is a cheaper alternative to pipe replacement as it requires less time, less labour and no extensive repairs from excavation. This can make it as little as half the price of pipe replacement.


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