Understanding the Differences Between Pipe Relining and Pipe Replacement

Name: Blocked Drain Perth
Brand: Perth Blocked Drains Plumber
Rating: 5 (3 reviews)

Posted by Perth Blocked Drains Plumber on 15 May 2026

Recovering from Blocked Drains: How to Choose between Pipe Relining and Replacement

When it comes to fixing damaged pipes options are pipe relining or replacement of pipes. Both approaches aim to bring back the original function of your pipelines, but there are distinct differences you need to know.

Key Takeaways

Relining pipelines is a cost-effective and fast method for repairing damaged pipelines.
CIPP lining is used in the relining of pipes.
Epoxy resin is used to line the inside parts of the pipe. The resin cures to creates a new inner lining within the old pipeline.
Relining pipes is efficient, cost-effective, and will last up to 50 years.
The traditional method of replacing pipes is digging up areas of the property in which pipes are located.
A replacement pipe may be needed for pipes that are badly damaged.
A brand new pipeline that is installed by pipe replacement has a long duration (75 or 100 years).
The cost of replacing pipes is high and time-consuming.
The choice between pipe relining versus pipe replacement will depend on the severity of damage.

In this post, we’ll look at pipe relining in comparison to. pipe replacement and find the one that best suits your needs better.

How do you define Pipe Relining?

Pipe relining or Cured-In-Place Pipe (CIPP) Lining is a state of the art repair procedure that provides a cost-effective, swift solution for restoring damaged pipelines.

Here’s how it works:

A technician cleans the pipeline with high-pressure jetting or mechanical cleaning.
Then, they put epoxy resin made of fiberglass or polyester inside the pipeline.
The liner cures by forming a new lining within the old pipeline, which is just as durable as a new one.

Pros of Pipe Relining

Time-efficient – It typically takes just 2 to three hours in order to finish the entire process, as opposed to digging for several days with traditional pipe replacement techniques.
Cost-effective - Because no excavation or removal is necessary in pipe relining work this method can save nearly half of the price you’d pay for traditional repairs.
Durability – The new liner that is created by pipe relining may last for up to 50 years!

Con’s of Pipe Relining

Not suitable for very damaged pipes - If there are serious damages such as cracks or collapses or joints that aren’t aligned properly in your sewer line, then pipe relining could not be possible.

What is Pipe Replacement?

Pipe replacement involves digging up portions of the yard/sidewalk/driveway where underground pipes are located. The areas may contain the collapsed pipes as well as extremely damaged ones caused by negligence or aging.

The steps below are the most traditional pipe replacements:

A team of excavation workers digs access to the decayed underground pipe.
The old pipeline is detached and dug up, generating a lot of debris that must be cleared away.
Then, they install a new pipeline in place of the one they had previously installed.

Pros of Pipe Replacement

It is suitable for pipes with severe damage - When you need to replace pipes that have significant damage or corrosion, pipe replacement is the ideal solution.
Long life – The brand new pipeline, which is replaced by pipe has a lengthy lifespan (75 bis 100 years) which makes it a great alternative for homeowners seeking the best solution for their home.

Pros of Pipe Replacement

Extraction work that is costly to replace pipes can be long and costly.
Time-consuming – Traditional pipe replacements may take weeks depending on the nature of the project and the depth of excavations needed.

Which one is best for you?

The choice between the option of relining or replacing your pipes is largely based on the level of damage caused. If your pipes suffer from minor damage, such as cracks or leaks that are minor, replacing them is likely to be a more appropriate choice since it’s less costly and also quicker than conventional replacements.

If there are major injuries, like breaks or collapses, then you should consider an alternative to replacing your pipe, although it may be more expensive 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

FAQ

What is pipe relining?

Relining a pipe is a process which involves the creation of a new pipe in the damaged pipe. This is done by inserting a liner that is flexible into the old pipe and making it a permanent fixture. After curing, the new pipe is free of joints or seams which improves its structural integrity.

How does traditional pipe replacement differ from pipe relining?

Traditional replacement of pipes involves{ excavating and| digging and|| digging up and} physically taking away old pipes, then replacing them with new ones. In contrast, pipe relining doesn’t require excavation; instead it’s accomplished using technology that allows for pipe repair without digging up vast areas of land.

Which option is less expensive: the pipe relining method or traditional pipe replacement?

Pipe relining typically costs less than the traditional methods of pipeline repair as there aren’t any costs related to excavation and other techniques necessary for removing and replacing old pipes.

Can all types of pipes be relined?

Some types of pipes can be relined successfully. The plumber must examine your particular situation to determine whether it’s feasible to line your particular type of pipes. But, the majority of new pipes may be repaired with this method.

How long does the process of relining pipes take?

The exact duration of the procedure is contingent upon various factors such as location, environment and type of damage; however the average Pipe Relining job typically takes around 2 days, depending on how many meters need to be lined..

In conclusion, if want to avoid invasive excavation work and save money in the process of restoring your damaged pipelines’ function to its maximum Consider utilizing our Perth Blocked Drains Plumber ‘s swift and efficient pipeline relining service. Contact us!