Pipe Relining vs. Pipe Replacement: Which Is Right For You?

by Jilli S. Consultant

The pipes form an integral part of the plumbing system of any building. Overage, pipes develop rust and lead to leaks. Regular wear and tear also make the pipes weak, and they become ineffective for use.

They can also be damaged by weather elements, tree root intrusion, human intervention and other causes. The situation calls for pipe repairing, and there are two primary ways used by plumbers:

  • Pipe replacement
  • Pipe Relining

Pipe Replacement

It is the traditional way of digging the ground and replacing the damaged parts of the pipe with new ones.

Pipe Relining

Trenchless technologies using cured-in-place pipe (CIPP) is increasing in popularity in Australia in recent years. Rather than going through the tedious process of excavation, it involves repairing pipe through pipe relining.

It is a process where an inflatable tube made with epoxy resin is pushed or pulled into the existing pipeline. It forms a new pipe inside the existing one making a straightforward and durable solution. Sometimes the damaged original pipe breaks off leaving the relined pipe in its place.

Which One Should You Go For?

You need to consider a few points before you can decide which one to choose. Generally, a professional plumber will be able to judge accurately whether you need pipe replacement or relining. So If you are from Adelaide, you should call local plumber for the pipe relining or replacement solutions

Disruption to property and water services

Homeowners prefer to have minimal disruption to property while doing repairs. Pipe relining is non-invasive and quiet. It doesn’t require the owners to move away while the repair is being done.

It requires only a few hours to complete the repair process. Depending on the temperature, it takes about 5-6 hours for the epoxy resin to harden in pipe relining procedure. It means that supply through the pipe may be cut off only for a few hours. 

Pipe replacement, on the other hand, is intrusive and it involves digging trenches to replace the pipes entirely. It may take a few days for the entire process to complete after which you have to restore your landscape.


The pipe relining procedure offers cost advantages in many ways. It is typically 50% to 75% cheaper to reline pipes instead of replacing them. There is no need for reconstruction as the process requires no excavation of breaking open walls or floors. You also save on expenses made for the renovation of your property after the repair job.

Replacement of pipes is an expensive procedure that is more labour-intensive. It is a large-scale project that costs more regarding expenses on materials and labour. You also have to reconstruct the pipes and restore your property which adds on to the overall pipe repair cost. 


Pipe relining is surprisingly durable, and it can last up to 50 years without the need for any maintenance. A stronger epoxy layer offers the old pipes an extended life. Many companies providing emergency plumbing Sydney services offer a warranty for the materials and workmanship, guaranteeing the durability of relined pipes.

Relining also removes joints which will prevent the tree roots from blocking your drains in the future.

Replacing pipes also increase the durability, but you can get stronger pipes just by relining.

Damage intensity

One of the crucial factors determining the need for pipe relining or pipe replacement is the magnitude of damage. When the damage is minimal, and you don’t want to disrupt the landscaping in your home, relining is a better option. When the pipeline is very deep or surrounded by poor soil, pipe relining can be the only viable option.

Pipe replacement is the only solution when the damage is too severe. Broken lines can only be repaired by replacement pipes. Replacement becomes a better choice when there are significant gaps outside of the main host pipes.

When the pipelines are highly ovaled, replacement is crucial. Replacement can also be cost effective when your property undergoes major home renovation.

You need to determine the nature and scale of your plumbing problem and then consider your home and surrounding to decide which method to use. You already know what each technique involves, so it should not be a difficult task.


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About Jilli S. Junior   Consultant

1 connections, 0 recommendations, 9 honor points.
Joined APSense since, July 13th, 2018, From Sydney, Australia.

Created on Jul 13th 2018 04:44. Viewed 396 times.


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