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 11 Nov 2026

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

When it comes to fixing damaged pipes, the two most common solutions are pipe relining and replacement of pipes. Both solutions aim to bring back the original function of your pipelines, but they have marked differences that must be aware of.

Key Takeaways

Relining pipelines is a cost-effective and swift process for restoring damaged pipelines.
Linings made of CIPP are used for pipe relining.
Epoxy resin is used to line the inner parts of the pipe which sets to create a brand new inner lining within the pipe.
Relining pipe is time-efficient and economical, and can last up to 50 years.
The traditional method of replacing pipes is excavation of areas on the property in which pipes are situated.
Replacement of pipes may be required for pipes that are badly damaged.
A brand new pipeline that is installed by the replacement of a pipe has a long duration (75 to 100 years).
Pipe replacement is costly and lengthy.
The choice between pipe relining or pipe replacement depends on the level of damage.

In this article, we’ll go over pipe relining vs. pipe replacement. Find out which one suits your needs better.

How do you define Pipe Relining?

Pipe relining or Cured In-Place Pipe (CIPP) Lining is a cutting-edge repair method that offers a cost-effective and quick solution to repair damaged pipelines.

Here’s how it works:

Technicians clean the pipeline with high-pressure water jetting or mechanical cleaning.
Then, they apply epoxy resin made of polyester or fiberglass liner inside the existing pipeline.
The liner gets dried and forms a new lining in the old pipeline that’s as durable as a new one.

Pros of Pipe Relining

The process is time-efficient, taking between 2 and 3 hours to complete the entire procedure compared to excavating several days with traditional methods of replacing pipes.
Cost-effective - Because there is no excavation or removal necessary for pipe relining This can help you save more than half of the price you’d be paying for conventional repairs.
Durability – The new lining created through pipe relining can last for 50 years!

Con’s of Pipe Relining

Not suitable for very damaged pipes - If there are major damages such as cracks, collapses or joints that are misaligned 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. These areas could contain damaged pipes, or highly damaged ones due to lack of maintenance or age.

The following steps comprise most traditional replacements for pipes:

An excavation team digs up access to the decayed underground pipe.
The old pipeline has been removed and dredged out, producing a lot debris that requires disposing of.
Then, they install an entirely new pipeline instead of the previous one.

Benefits of Pipe Replacement

Suitable for severely damaged pipes If you have to replace pipes that have severe corrosion or damage, pipe replacement is the best option.
Long-lasting – The latest pipeline installed through pipe replacement is long-lasting (75 or 100 years) which makes it a great choice for homeowners in search of the best solution for their home.

Pros and 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 a few weeks based on the scope of work and the depth of excavations needed.

Which one is best for you?

The decision of replacement or relining your pipes is mostly based on the extent of damage caused. If your pipes have minor issues like cracks, or leaks of a minor size, the relining process is probably a more appropriate choice since it is less costly and faster than traditional replacements.

But if there are severe damages like collapses or breaks and breaks, you must consider traditional pipe replacement although it might 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 and Answers

What is pipe relining?

Relining a pipe is a procedure that creates a brand new pipe within the existing damaged pipe. It is accomplished by inserting a liner that is flexible into the pipe that was damaged and curing it in place. Once cured, the new pipe is free of joints or seams, which increases the structural integrity of the pipe.

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

Traditional pipe replacement involves{ excavating and| digging and|| digging up and} physically cutting away the old pipe before replacing them with new ones. However, pipe relining doesn’t require excavation; instead, it’s completed using technology that allows for repairs to pipelines without digging huge areas of land.

Which is more cost-effective - liner relining or conventional pipe replacement?

Pipe relining generally costs less than the traditional methods of pipeline repair as there are no expenses related to excavation, or other methods needed for removing and replacing old pipes.

Can all types of pipes be reflined?

Certain types of pipes are relined effectively. Ultimately, your plumber must examine your pipe to determine if it’s feasible to line the particular kind of pipes. However, most contemporary pipes are relined by this method.

How long will the process of relining pipes last?

The exact time required for the process is dependent on various factors such as the location, the environment, and type of damage. However the average pipe Relining job typically takes around 2 days based on the amount of metres require lining..

In conclusion, if wish to avoid digging work and save your money as you restore your pipelines’ functionality, consider opting for our Perth Blocked Drains Plumber ‘s fast and effective pipe relining services. Contact us!