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 solutions are pipe relining and pipe replacement. Both methods aim to bring back the original function of your pipelines, but there are distinct differences you need to know.

Key Takeaways

  • Pipe relining is a cost-effective and speedy method to repair damaged pipelines.
  • The lining CIPP is employed in the relining of pipes.
  • Epoxy resin is utilized to line the inner areas of the pipe. This cures to create a new inner lining for the old pipeline.
  • Relining pipe is time-efficient and cost-effective, and will last up to 50 years.
  • Traditional pipe replacement involves digging up sections of land where pipes are.
  • The replacement of pipes is often necessary for pipes that are badly damaged.
  • A brand-new pipeline installed with pipe replacement has a lengthy duration (75 to 100 years).
  • The cost of replacing pipes is high and long-lasting.
  • The decision between pipe relining and pipe replacement is based on the extent of damage.

In this article, we’ll discuss pipe relining and. replacing pipes and figure the one that best suits your requirements better.

Is Pipe Relining a thing?

Pipe relining or Cured In-Place Pipe (CIPP) lining is a state of the art repair procedure that provides a cost-effective and fast solution for repairing damaged pipelines.

Here’s how it works:

  1. Technicians clean the pipeline by using high-pressure water jetting or mechanical cleaning.
  2. Then, they apply epoxy resin made from fiberglass or polyester liner in the pipeline.
  3. The liner gets cured by forming a new liner within the old pipeline that’s just as robust as a new one.

Benefits Pipe Relining

  • The process is time-efficient, taking only 2 to three hours for the entire process compared with excavating for several days with traditional methods of replacing pipes.
  • Cost-effective - Because there is no excavation or removal necessary in pipe relining work, it can save almost 50% of the cost you’d spend on traditional repairs.
  • Durability – The new lining made by pipe relining could last up to 50 years!

Con’s of Pipe Relining

  • Not suitable for the most damaged pipes - If there are major damages such as cracks or collapses or misaligned joints in your sewer line then pipe relining is not a possibility.

What exactly is Pipe Replacement?

Pipe replacement involves digging up portions of the yard/sidewalk/driveway where underground pipes are located. These areas could contain broken pipes, or very corroded ones either from lack of maintenance or age.

The following steps are typical of traditional pipe replacements:

  1. A team of excavation workers digs access to the deteriorated underground pipe.
  2. The pipeline was ripped off and dug out producing much debris that needs to be disposed of.
  3. Then, they install a new pipeline in place of the old one.

Pros and Cons of Pipe Replacement

  • Ideal for pipes that have been severely damaged - When you need to replace pipes with significant corrosion or damage, pipe replacement is the most effective option.
  • Long lifespan – The new pipeline installed through pipe replacement is long-lasting (75 or 100 years) making it an ideal option for homeowners looking for an option that is long-lasting.

Pros of Pipe Replacement

  • The work of excavation required for the replacement of pipes is costly and time-consuming.
  • Time-consuming – Traditional pipe replacements could take several weeks, based on the scope of work and the depth of excavations needed.

Which option should you pick?

The choice between relining or replacing your pipes mostly depends on the amount of damage caused. If your pipes have minor damage, such as cracks or minor leaks, relining would probably be the best option, as it’s less expensive and also quicker than replacement of pipes using traditional methods.

If there are major damage such as breaks or collapses and breaks, you must consider traditional pipe replacement although it could be more costly and takes 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

Common Questions and Answers

What is the process of relining pipes?

Relining pipes is a process which consists of creating a new pipe inside an existing damaged pipe. This is done by inserting a flexible liner inside the old pipe and making it a permanent fixture. After curing, the new pipe is free of joints or seams that improve its structural integrity.

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

Traditional pipe replacement involves digging and physically dismantling old pipes, then replacing them with new ones. However, pipe relining does not require excavation. Instead it’s carried out by using technology that permits repair of pipelines without digging vast areas of land.

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

Pipe relining typically costs less than the traditional methods of pipeline repair as there are no costs associated to excavation or other methods that are required to remove and replace old pipes.

All kinds of pipes can be lined?

Not all types of pipes are relined in a successful manner. In the end, your plumber should examine your particular situation to determine whether it’s possible to line your specific kind of pipes. However, most current pipes could be lined by this procedure.

How long will the process of relining pipes last?

The exact time required for the process depends on different variables like location, environment, and type of damage; however, the average pipe Relining job usually takes 2-3 days based on the amount of meters need to be lined..

In conclusion, if would like to steer clear of digging work and save your money in the process of restoring your damaged pipelines’ function to its maximum, consider opting for our Perth Blocked Drains Plumbers ‘s swift and efficient pipeline relining service. Contact us today!

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