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Owning a home comes with its fair share of responsibilities, of which one of the most critical aspects is maintaining the plumbing system.

Among the various issues homeowners may encounter, damaged or deteriorating pipes is certainly one of the most troublesome, because they can lead to costly water damage, structural issues, and health hazards if left untreated.

Traditionally, repairing or replacing your pipes involved extensive excavation, however, modern advancements in plumbing technology have introduced a more convenient alternative: pipe relining.

In this comprehensive guide, we’ll explore what pipe relining entails, how it works, and, most importantly, the costs associated with this innovative solution.

What is Pipe Relining?

Pipe relining, also known as trenchless pipe repair, is a cutting-edge method used to rehabilitate damaged or deteriorating pipes without the need for extensive excavation.

So, instead of digging up and replacing the entire pipe, pipe relining simply inserts a durable liner coated with epoxy resin into the existing pipe to patch up damage. This liner is then inflated and cured in place, creating a new seamless pipe within the old one! The result is a structurally sound, long-lasting solution that restores the functionality of the plumbing system without the disruptions associated with traditional repair methods.

Plumbers use a CCTV Camera to inspect pipes

How Does Pipe Relining Work Exactly?

Each step in the pipe relining process plays a vital role in ensuring the success of the repair and is performed methodically to ensure a successful outcome. From the initial assessment to the final inspection, each step must be carefully executed to ensure lasting success, helping to homeowners avoid costly and disruption excavation work.

In short, it’s a testament to the advancements in modern plumbing technology, as a sophisticated process combining advanced technology with precision craftsmanship. Let’s go through the pipe relining methodology together:

1. Assessment

The journey begins with a comprehensive assessment of the pipes using state-of-the-art technology, including CCTV cameras. These cameras provide a detailed view of the interior of the pipes, allowing plumbers to identify the extent and location of any damage. This initial assessment is crucial for developing a tailored repair plan that addresses the specific needs of the plumbing system.

2. Preparation

Once the assessment is complete, the next step is to prepare the damaged pipe for relining. This involves thorough cleaning to remove any debris, corrosion, or obstructions that could compromise the integrity of the repair. Specialised equipment is used to ensure that the pipe is meticulously cleaned, creating an unobstructed surface for the relining process.

3. Liner installation

With the pipe cleaned and prepared, it’s time for the installation of the flexible liner impregnated with epoxy resin. This liner is custom fitted to the dimensions of the damaged pipe and inserted using specialised equipment. You can think of this as another pipe that is malleable, to be inserted within the existing structure. As the liner is fed into the pipe, it gradually unfolds, conforming to the shape of the existing pipe. The epoxy resin ensures a secure bond between the liner and the pipe, creating a seamless, durable new lining.

4. Curing

Once the liner is in place, the curing process begins. Heat or UV light is used to activate the epoxy resin, causing it to harden and bond with the inner walls of the pipe. This curing process is essential for ensuring the longevity and strength of the relined pipe, providing a robust solution that can withstand the rigors of daily use.

5. Inspection

The final step in the pipe relining process is a thorough inspection to verify the integrity of the repair. Plumbers carefully examine the relined pipe, checking for any signs of defects or irregularities. This meticulous inspection ensures that the repair meets the highest quality standards and provides homeowners with peace of mind knowing that their plumbing system is in optimal condition. Time to turn on the valve!

Factors Influencing the Cost of Pipe Relining

We understand that cost is a top concern for homeowners. Whether it’s dealing with a leaky faucet or repairing a damaged roof, costs can quickly add up. Unfortunately pipe relining is no exception to this, and having a clear understanding of the factors influencing costs can empower homeowners to make informed decisions and avoid any unexpected financial burdens.

By understanding the various factors that contribute to the overall cost, homeowners can better prepare themselves for the investment required to restore their crucial plumbing system.

  1. Length of pipe: the total length of the pipe needing relining will impact the overall cost, as more materials and labour are required for longer pipes.
  2. Access: ease of access to the damaged pipe can influence costs. Pipes located in hard-to-reach areas may require additional time and effort to access, including perhaps some excavation work.
  3. Pipe material: the type of material the pipe is made of can also affect the cost. Different materials such as cast iron or concrete may require specialised techniques or materials for relining.
  4. Extent of damage: the severity and extent of damage to the pipe will impact the complexity of the relining process and, consequently, the cost.
  5. Relining method: there are different methods of pipe relining, each with its own costs. Patch pipe relining, for example, may be more affordable than inversion pipe relining.

While exact pricing can vary depending on the above factors, it’s helpful to have a general idea of the costs involved. Pipe relining jobs start from about $4000. However, it’s essential to note that these are indicative prices, and a thorough assessment by a qualified plumber is necessary to provide an accurate quote.

Traditional pipe repair in backyard excavation

Alternative Methods

While pipe relining presents numerous advantages, it may not always be the optimal solution for every plumbing issue. Homeowners must carefully evaluate their specific needs and circumstances to determine the most suitable course of action. In some cases, such as the severity of pipe damage, accessibility issues or perhaps even budget constraints, alternative options may be more appropriate. These alternatives include:

Traditional pipe replacement:

In situations where pipe relining is not feasible or cost-effective, traditional pipe replacement may be the only viable solution. This process entails excavating the damaged section of the pipe and replacing it with a new one. Although it may involve more extensive labour and disruption, traditional pipe replacement ensures a complete overhaul of the affected pipeline.

High-pressure water jetting:

For minor blockages or buildup within the pipes, high-pressure water jetting can offer an effective solution. This method involves the use of pressurised water to dislodge obstructions and restore optimal flow. While it may not address structural issues like pipe damage, high-pressure water jetting is ideal for clearing debris and blockages.

CCTV inspection:

Before committing to a specific repair method, homeowners can opt for a CCTV inspection to assess the condition of their pipes accurately. This advanced technology allows plumbers to conduct a thorough examination of the pipes’ interior, identifying any defects, blockages, or areas of concern. By gaining insight into the precise condition of the plumbing system, homeowners can make informed decisions regarding the most appropriate course of action, whether it involves pipe relining or an alternative solution, and is the recommended first step.


Whether you opt for pipe relining or explore alternative methods, such as traditional pipe replacement or high-pressure water jetting, the key is to address plumbing issues promptly and effectively.

Remember, if you’re unsure about the best course of action for your plumbing problems, don’t hesitate to reach out to Brisbane Plumbing and Drainage for pipe relining services in Brisbane, as well as expert advice and trusted recommendations.

Our team is here to help you restore the integrity and efficiency of your plumbing system, ensuring peace of mind for years to come. Avoid the hassle of plumbing troubles interfering with your daily routine – reach out to us today and take the first step towards a more comfortable and worry-free home!