Understanding the Differences Between Pipe Relining and Pipe Replacement

Posted by Perth Blocked Drains Plumbers on 11 Jan 2026

When it comes to fixing damaged pipes, two popular options are pipe relining or pipe replacement. Both solutions aim to restore the full function of your pipelines, but there are distinct differences must be aware of.

Key Takeaways

  • Relining pipes is an affordable and swift process for restoring damaged pipelines.
  • Linings made of CIPP are used for pipe relining.
  • Epoxy resin is utilized to line the inner parts of the pipe. The resin is cured to form a new inner lining for the pipe.
  • Pipe relining is time-efficient, cost-effective and lasts up to 50 years.
  • The traditional method of replacing pipes is digging up areas of the property in which pipes are located.
  • Pipe replacement may be necessary for severely damaged pipes.
  • A brand new pipeline that is installed by pipe replacement has a long lifespan (75 up to 100 years).
  • Replacement of pipes is expensive and lengthy.
  • The decision between pipe relining and replacement is based on the extent of damage.

In this article, we’ll discuss pipe relining in comparison to. replacing pipes and figure out which one will suit your needs better.

Is Pipe Relining a thing?

Pipe relining, also known as Cured-In-Place pipe (CIPP) Lining is a cutting-edge repair method that provides a cost-effective, swift solution for restoring damaged pipelines.

Here’s how it will work:

  1. A technician cleans the pipeline using high-pressure water jetting or mechanical cleaning.
  2. Then, they place epoxy resin made of fiberglass or polyester liner to the pipeline.
  3. The liner gets cured and forms a new liner within the old pipeline, which is just as durable as a new one.

Benefits Pipe Relining

  • Time-efficient: It generally takes between 2 and 3 hours to complete the entire procedure compared to excavating days for traditional pipe replacement techniques.
  • Cost-effective Since there is no excavation or removal necessary for pipe relining, it can save almost half of the amount you spend on traditional repairs.
  • Durability – The new liner formed by pipe relining can last up to 50 years!

The cons of Pipe Relining

  • Not recommended for extremely damaged pipes - If there are significant damages such as cracks or collapses or joints that are misaligned in your sewer line, then pipe relining might not be feasible.

What exactly is Pipe Replacement?

Pipe replacement involves digging up portions of the yard/sidewalk/driveway where underground pipes are located. These sections may include broken pipes, or very corrosion-prone ones, due to the effects of time or neglect.

The following steps are typical of traditional pipe replacements:

  1. An excavation team digs up access to the decayed underground pipe.
  2. The pipeline was ripped off and dug out, creating a lot of debris that requires disposing of.
  3. Then, they construct an entirely new pipeline instead of the old one.

Pros of Pipe Replacement

  • Suitable for severely damaged pipes In the event that you need to replace pipes that are suffering from significant damage or corrosion, pipe replacement is the best solution.
  • Longer life span – The new pipeline, which is replaced by pipe is long-lasting (75 bis 100 years) which makes it a great choice for homeowners in search of a permanent solution.

Pros and Cons of Pipe Replacement

  • The work of excavation required to replace pipes can be costly and time-consuming.
  • It is time-consuming. Pipe replacements can take a few weeks based on the nature of the project and depth of excavations required.

Which one should you choose?

The choice between the option of relining or replacing your pipes is mostly based on the level of damage caused. If your pipes suffer minor issues like cracks, or minor leaks, the relining process is probably an ideal option as it is less costly and also quicker than replacement of pipes using traditional methods.

If there are major damage, such as collapses or broken pipes, then you should consider conventional pipe replacement, though it might cost more 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

FAQ

What is the process of relining pipes?

Pipe relining is a process which involves the creation of a new pipe in the damaged pipe. It is accomplished by inserting a liner that is flexible into the pipe that was damaged and placing it into place. After curing, the new pipe is free of joints or seams, which increases its structural strength.

What is the difference between traditional pipe replacement and differ from relining pipe?

Traditional replacement of pipes involves physically taking away old pipes, and then replacing them with brand new ones. However, pipe relining doesn’t require excavation. Instead it’s accomplished using technology that allows for repair of pipelines without digging vast areas of land.

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

Pipe relining typically costs less than traditional methods of pipe repair because there are no costs associated to excavation, or other methods required for the removal and replacement of old pipes.

All kinds of pipes can be reflined?

There are a few types of pipes that are relined in a successful manner. Your plumber must examine your pipe to determine if it’s feasible to line your specific kind of pipes. But, the majority of new pipes may be lined with this method.

How long does the pipe relining process take?

The exact time required for the process depends on different elements like location, environment and the kind of damage. However the average Pipe Relining task usually takes between 2 and 3 days based on the amount of metres need to be lined..

In conclusion, if would like to steer clear of digging works and save money while restoring your damaged pipelines’ functionality, consider opting for our Perth Blocked Drains Plumbers ‘s swift and efficient pipe relining solutions. Contact us today!

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