Drain pipe relining

Elevate your drain pipe repair solutions with Repiper’s step-by-step drain pipe relining methodology, tools, and products.



– Advantages of relining

Relining drain pipes vs. Pipe substitution

Conventional pipe substitution is a labor-heavy procedure involving trench digging, old pipe removal, and new pipe installation. It frequently disrupts daily routines, landscapes, and even traffic. Conversely, relining drain pipes employs a non-destructive approach that restores the damaged pipe from within, avoiding extensive digging. The countless advantages of drain pipe relining make it the perfect choice for contractors.

Minimum disruption

Drain pipe relining is conducted from the inside of the pipe, utilizing any access port, hence eradicating the need for excavation which significantly reduces disruption.

Quicker repairs

Conventional pipe mending techniques can consume an enormous amount of time – days or even weeks. In comparison, drain pipe relining often concludes in a few hours, minimizing downtime and expediting the repair process.


Digging-based pipe repair methods often inflate costs due to the necessity for excavation. The process of relining drain pipes circumvents the need for digging, reducing material and labor costs, and providing a more affordable option.

Long-lasting repair

The flexible liner utilized in the drain pipe relining process forms a solid, durable, and seamless pipe within the existing infrastructure. This effectively revives its structural resilience and extends its longevity, offering a lasting and reliable solution for your clients.

Join the Repiper Network

Tools and Products | Repiper

Boost your relining installations with Repiper’s pioneering tools and products. Along with our superior equipment, we offer tailored training for contractors, preparing you for success.

System Resellers | Repiper

Become part of the Repiper network as a system or retail reseller. Enjoy exclusive geographical rights and enhance your business by covering your initial investments and promoting growth.

R&D Partners | Repiper

Collaborate with Repiper as a research and development partner. Teaming up with us can help optimize system solutions and relay products, enhancing efficiency in plumbing and sewage maintenance.


The duration required to reline a drain pipe can fluctuate based on aspects such as the length and diameter of the pipe, and the extent of the damage. However, one of the main benefits of relining drain pipes is its speed. Unlike traditional methods, which can take several days or even weeks, drain pipe relining can typically be accomplished in a matter of hours.

Drain pipe relining provides a highly sturdy and dependable solution for pipe repair. The new liner forms a robust, seamless “pipe within a pipe,” effectively restoring the structural integrity of the original pipe. This new inner pipe is resistant to root intrusion and corrosion, significantly extending the lifespan of the drain pipe. When correctly installed, a relined pipe can last as long as a new pipe – often 50 years or more.

The benefits of drain pipe lining include preventing leaks and infiltration, reducing root intrusion, improving flow, extending the life of the pipes, and avoiding disruptive and costly excavation work.

The purpose of advanced drainage solutions is to repair and rehabilitate damaged or deteriorated pipes without the need for excavation and replacement. This trenchless method seals leaks, strengthens pipes, and extends their useful life.

The process for relining drain pipe involves inspecting the damaged pipe with a camera, cleaning and preparing the pipe surface, inserting a liner coated with resin, inflating the liner, and curing the resin with heat or UV light. Once cured, the liner forms a new pipe within the old one.

In drain pipe relining, the pipe is inspected and cleaned. A resin-soaked liner is inserted, expanded, and cured to create a new pipe inside the existing one. A final evaluation confirms the successful completion of the process.

Standard drain pipe relining materials include PVC, ABS, cast iron, copper, and clay. The choice of material depends on factors such as the application, local building codes, and budget considerations.

Advantages of drain pipe relining include cost savings compared to pipe replacement, a less invasive process, improved flow, and increased pipe lifespan. Disadvantages may include limited applicability for severely damaged pipes and the need for specialized equipment and trained professionals.

Drain pipe relining works by inserting a flexible liner coated with resin into the damaged pipe, inflating it, and curing the resin with heat or UV light. Once cured, the liner forms a new pipe within the old one, sealing leaks and strengthening the existing pipe.

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