Understanding the Differences Between Pipe Relining and Pipe Replacement

Posted by Adelaide Blocked Drains Plumbing on 30 Dec 2025

In the case of fixing damaged pipes, two popular techniques are pipe relining as well as replacement of pipes. Both of these methods are designed to restore the function of your pipes, however they have marked differences that you should be aware of.

Key Takeaways

  • Relining pipelines is a cost-effective and fast method for repairing damaged pipelines.
  • CIPP lining is used in pipe relining.
  • Epoxy resin is used to line the inside portions of the pipe. It cures to create a new inner lining in the pipe.
  • Relining pipelines is time-efficient, cost-effective and lasts for up to 50 years.
  • Traditional pipe replacement involves digging up areas of the property in which pipes are located.
  • Pipe replacement may be necessary in the case of pipes that have been severely damaged.
  • A new pipe installed via pipeline replacement has a longer life span (75 or 100 years).
  • Pipe replacement is costly and long-lasting.
  • The decision between pipe relining and replacement depends on the level of damage caused.

In this article, we’ll go over pipe relining as opposed to. replacing pipes and figure the one that best suits your needs more.

Is Pipe Relining a thing?

Pipe relining or Cured-In-Place Pipe (CIPP) Lining is a cutting-edge repair method that provides a cost-effective, rapid solution for the repair of damaged pipelines.

Here’s how it will work:

  1. Technicians clean the pipeline with high-pressure jetting or mechanical cleaning.
  2. Then, they put epoxy resin made from polyester or fiberglass liner inside the existing pipeline.
  3. The liner cures by forming a new lining in the pipeline that’s as robust as a new one.

Benefits Pipe Relining

  • The process is time-efficient, taking about 2 to three hours in order to finish the entire procedure compared to excavating days in traditional methods of replacing pipes.
  • Cost-effective Since no excavation or removal is needed in the pipe relining process This can help you save more than half of the amount you pay for traditional repairs.
  • Durability – The lining made by pipe relining could last for up to 50 years!

Pros and Cons of Pipe Relining

  • Not suitable for the most damaged pipes - If you have significant damage such as cracks or collapses or joints that aren’t aligned properly in your sewer line, then pipe relining could not be possible.

What exactly is Pipe Replacement?

Pipe replacement involves digging up portions of the yard/sidewalk/driveway where underground pipes are located. The areas may contain collapsed pipes or extremely corroded ones either from lack of maintenance or age.

The steps below are the most traditional replacements for pipes:

  1. A team of excavation workers digs access to the decayed underground pipe.
  2. The old pipeline has been removed and dredged out, producing a lot debris that requires disposing of.
  3. Then, they install another pipeline in place of the previous one.

Benefits of Pipe Replacement

  • Suitable for severely damaged pipes In the event that you need to replace pipes with significant corrosion or damage, pipe replacement is the most effective option.
  • Long life – The brand new pipeline that is installed by pipe replacement has a long life (75 up to 100 years) which makes it a great solution for homeowners who want an option that is long-lasting.

Cons of Pipe Replacement

  • Costly – Excavation work requred for pipe replacement can be costly and time-consuming.
  • It is time-consuming. Pipe replacements may take weeks depending on the nature of the project and the extent of excavation required.

Which one is best for you?

The decision to choose between either relining or repairing your pipes mostly depends on the level of damage caused. If your pipes suffer minor damages like cracks or leaks of a minor size, the relining process is probably the better option since it is less costly as well as quicker than replacement of pipes using traditional methods.

But if there are severe injuries, like breaks or collapses the best option is replacing the pipe with a traditional method, even though it may be more expensive and will take longer.

Pipe Relining Pipe Replacement
Procedure CIPP lining using epoxy resin Excavating and replacing the old pipeline
Pros Time-efficient- 2 to 3 hours to complete Suitable for severely damaged pipes
Cost-effective – Almost half of traditional costs. New pipeline lasts for 75 to 100 years
Durable – Lasts up to 50 years
Cons Not suitable for severely damaged pipes Costly
Time-consuming
When to choose Minor damages like cracks or minor leaks Severe damages like collapses or breaks

Frequently Asked Questions

What is the process of relining pipes?

Relining of pipes is a procedure that creates a brand new pipe within the existing damaged pipe. This is done by inserting a flexible liner in the pipe that was damaged and curing it in place. Once cured, the new pipe is completely free of joints and seams that improve its structural integrity.

What does traditional pipe replacement differ from relining pipe?

Traditional replacement of pipes involves digging up and physically removing old pipes and then replacing them with brand new ones. The alternative, pipe relining does not require excavation. Instead, it’s completed using technology that allows for pipeline repair without digging up large portions of land.

Which one is less expensive - pipe relining or traditional pipe replacement?

Relining pipes typically cost less than traditional methods of repair to pipelines since there is no cost related to excavation or other methods required for the removal and replacement of old pipes.

All kinds of pipes can be changed?

Certain types of pipes are relined in a successful manner. Ultimately, your plumber will need to examine your pipe to determine if it’s possible to line your specific kind of pipes. However, most modern pipes can be lined with this procedure.

How long does the pipe relining process take?

The exact duration of the process depends on different variables like location, environmental conditions and the kind of damage. However the typical pipe Relining process typically takes about 2 days based on the amount of meters need to be lined..

In conclusion, if want to avoid invasive excavation works and save money while restoring damaged pipelines’ function to its maximum Consider utilizing our Adelaide Blocked Drains Plumbing ‘s quick and efficient pipeline relining service. Contact us today!

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