Understanding the Differences Between Pipe Relining and Pipe Replacement

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

Posted by Perth Blocked Drains Plumbers on 20 Aug 2026

The Ultimate Guide to Choosing Between Pipe Relining and Pipe Replacement

When it comes to fixing damaged pipes options are pipe relining or replacement of pipes. Both of these methods are designed to bring back the original function of your pipelines, but there are distinct differences must be aware of.

Key Takeaways

Relining pipelines is a cost-effective and fast method for repairing damaged pipelines.
Linings made of CIPP are used for pipe relining.
Epoxy resin is used to line the inner areas of the pipe. This cures to create a new inner lining in the pipe.
Relining pipes is efficient, economical, and can last up to 50 years.
The traditional method of replacing pipes is digging up sections of land where pipes are.
A replacement pipe may be needed for severely damaged pipes.
A new pipeline installed through pipe replacement has a lengthy lifespan (75 or 100 years).
Pipe replacement is costly and laborious.
The decision between pipe relining versus pipe replacement depends on the level of damage caused.

In this post, we’ll look at pipe relining and. pipe replacement and find out which option will meet your needs better.

Is Pipe Relining a thing?

Pipe relining or Cured-In-Place Pipe (CIPP) lining is a state-of-the-art repair process which offers a low-cost and quick solution to repair damaged pipelines.

Here’s how it works:

A technician cleans the pipeline using high-pressure water jetting or mechanical cleaning.
They then apply epoxy resin made from polyester or fiberglass liner inside the pipeline.
The liner gets cured by forming a new lining inside the old pipeline that’s just as strong as a brand new one.

The advantages of Pipe Relining

The process is time-efficient, taking about 2 to 3 hours to complete the whole procedure compared to excavating several days with traditional pipe replacement techniques.
Cost-effective Since there is no excavation or removal necessary for pipe relining It can save you nearly 50% of the cost you’d pay for traditional repairs.
Durability – The lining created through pipe relining can last for 50 years!

Con’s of Pipe Relining

Not suitable for very damaged pipes. If there are serious damages such as cracks, collapses or joints that aren’t aligned properly within 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 sections could include broken pipes, or very damaged ones caused by lack of maintenance or age.

The following steps comprise most traditional pipe replacements:

An excavation team digs up access to the deteriorated underground pipe.
The old pipeline is detached and dredged out, producing a lot debris which needs to be removed.
They then install an entirely new pipeline instead of the one they had previously installed.

Pros and Cons of Pipe Replacement

Suitable for severely damaged pipes Ideal for severely damaged pipes – If you must replace pipes that have significant corrosion or damage, pipe replacement is the most effective option.
Long-lasting – The latest pipeline installed through pipe replacement has a lengthy lifespan (75 or 100 years) which makes it a great choice for homeowners in search of an option that is long-lasting.

Cons of Pipe Replacement

The work of excavation required for pipe replacement can be time-consuming and expensive.
It is time-consuming. Pipe replacements can take weeks depending on the extent of work and the depth of excavations that are required.

Which one is best for you?

The decision to choose between the option of relining or replacing your pipes is largely based on the degree of damage caused. If your pipes have minor issues like cracks, or leaks that are minor, the relining process is probably the better option since it’s less expensive and also quicker than traditional pipe replacements.

However, if you have severe injuries, like breaks or collapses, then you should consider an alternative to replacing your pipe, although it will cost more and 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

Common Questions & Answers

What is pipe relining?

Pipe relining is a process which involves the creation of a new pipe in the damaged pipe. It is accomplished by inserting a flexible liner in the old pipe and then the process of curing it. Once it is cured, the new pipe has no 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{ excavating and| digging and|| digging up and} physically taking away old pipes after which they are replaced with new ones. In contrast, pipe relining doesn’t require excavation; instead it’s accomplished with the help of technology, which allows repairs to pipelines without digging vast areas of land.

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

Pipe relining typically costs less than the traditional methods of pipeline repair as there are no expenses related to excavation, or other methods required for the removal and replacement of old pipes.

All kinds of pipes can be reflined?

Some types of pipes can be relined successfully. The plumber will need to examine your particular situation to determine whether it’s feasible to line your particular type of pipes. However, most contemporary pipes are relined using this method.

How long will the process of relining pipes last?

The exact length of time needed for the procedure varies based on elements like location, environment and the type of damage. However the typical pipe Relining job typically takes around 2 days, depending on the number of meters require lining..

In conclusion, if wish to avoid digging work and save money as you restore your pipelines’ function to its maximum take a look at our Perth Blocked Drains Plumbers ‘s fast and effective pipeline relining services. Contact us today!