How to choose the right pipe lining material? The Pro guide

Pipe lining offers an effective solution for rehabilitating damaged drainage networks without requiring their complete replacement. This method consists of applying a new, robust and waterproof internal coating, using specific resins or sheaths. Opting for lining has several notable advantages: it is an economical solution, quick to implement, environmentally friendly and durable over time.

But how do you select the right material for lining your pipes? What factors should be taken into account to ensure efficient and quality lining?

What options are currently available on the market? This guide aims to explain the basics of pipe lining, to detail the essential equipment for its implementation, and to shed light on the essential criteria for choosing wisely. This way, you will be able to rehabilitate your evacuation systems efficiently, while maintaining your peace of mind.

Understanding Pipe Lining

Pipe lining is an effective method to rehabilitate damaged drainage networks without requiring their complete replacement. This technique involves creating a new, strong, waterproof internal lining, using resin or sheathing.

This method offers multiple advantages: it is economical, quick to implement, environmentally friendly and ensures increased longevity.

The advantages of liner

Pipe lining offers several benefits, including:

• Saves time and money: It eliminates the need to dig, remove and replace pipes, thus reducing associated costs such as equipment rental, waste disposal, floor repairs, etc. This technique also reduces noise pollution, traffic disruptions and the risk of accidents.
• Environmental protection: It limits the ecological impact by reducing waste production, energy and water consumption, as well as CO2 emissions. In addition, it helps prevent leaks that can contaminate soil and groundwater.
• Improved Performance: Lining increases the mechanical and chemical resistance of pipes to corrosion, abrasion, roots, rodents, etc., and improves flow by eliminating pipe irregularities and constrictions.
• Guaranteed longevity: This method extends the life of the pipes, giving them new sealing and solidity. Depending on the materials used, this duration can exceed 50 years.

The different types of lining

Various methods are available, distinguished by their application technique and the type of pipes involved:

• Resin spray lining: This approach involves spraying an epoxy resin inside the pipes via a robot, forming an adherent layer. Suitable for small to medium diameter pipes, it effectively treats bends and section variations.
• Lining by sheathing: This method involves the insertion and expansion of a flexible resin-impregnated sheath against the internal walls, thus creating a new pipe inside the existing one. It is suitable for medium to large diameter pipes, for straight segments and slight curves.
• Spray coating: This involves spraying an epoxy resin with a gun, forming a thin, smooth layer. Ideal for small diameters, this technique allows you to manage bends and section changes.

The selection criteria for a lining project

To choose the most suitable lining technique, it is advisable to consider:

• Pipe Type and Condition: Understanding the material, diameter, length, shape, and level of degradation is crucial.
• Technical and regulatory constraints: It is important to check the feasibility of the project, in particular access to pipelines and the need for authorizations.
• Budget and timeframe: Comparing the costs and durations of the different options, taking into account additional expenses, is essential.
• Quality and guarantee of the service provider: Ensuring the professionalism of the chosen company through its references, certifications, insurance, and the duration of its guarantees is essential.

Essential equipment for successful lining

The success of pipe lining depends on the use of suitable and efficient equipment. For each lining methodology, depending on the diameter of the pipes and the desired level of finish, there is a set of specific equipment. Discover here the main equipment required for quality lining, grouped into three categories: pipe preparation equipment, lining systems, and control and finishing equipment.

Pipe preparation equipment

Preparation is a key step that precedes the lining. It involves cleaning, inspecting and unblocking the pipes if necessary. Here is the essential equipment for this step:

• Inspection camera: essential for assessing the internal condition of pipes, detecting anomalies, leaks or connections. It can be manual, motorized or mounted on a robot.
• Hydrocureur: a major tool for cleaning pipes using a high-pressure water jet, capable of removing deposits, grease and roots. It is often supplemented by various accessories such as nozzles, chains or brushes.
• Blocker: removes blockages caused by waste or other blocking elements, available in mechanical, electric or pneumatic versions.

Lining systems: Spray, CIPP, and other technologies

Once the pipes are ready, the lining can begin. Depending on the needs, different systems can be used:

• Resin Spraying System: Ideal for spraying epoxy resin into small to medium diameter pipes. Uses a robot or gun to apply the resin which, once cured, creates a strong and durable coating. Perfect for treating bends and section changes.
• Sheathing system: consists of inserting a resin-impregnated sheath inside the pipe, then expanding it so that it fits perfectly to the walls. After the resin has hardened, a new pipe is formed, suitable for medium and large diameter pipes.
• Spot repair system: local repair solution for damaged pipes, applying resin or sheathing to the affected area. An effective method for spot repairs without the need for full lining.

Control and finishing equipment

The final stage of the coating process involves checking the quality of the coating and carrying out the finishing touches. The following equipment is essential:

• Inspection camera: allows you to check the condition of the coating, to ensure its uniformity and watertightness. The same camera as the one used for preparation can be used.
• Milling robot: used to clear the connections covered by the coating, equipped with different cutting tools. It is often the same robot that is used for resin projection.
• Leak test: essential to confirm the absence of leaks in the coating, carried out by applying air or water pressure according to standards.

Making the right choice: parameters to consider

To select the pipe lining equipment that best meets your requirements, it is essential not to limit yourself to knowledge of the different technologies and equipment available. Other factors must be taken into consideration, directly influencing the quality, efficiency and profitability of your renovation work. We will detail the main parameters to examine in order to make a wise choice, grouped into three categories: the quality and longevity of the equipment, the ease of use and support of the supplier, as well as the budget and return on investment.

Evaluate the quality and durability of equipment

The first parameter to study is undoubtedly the quality and lifespan of the equipment intended for pipe lining. It is important to ensure that the equipment complies with current standards, that it is solid and durable, that it ensures performance and reliability that meet your expectations and that it guarantees maximum longevity of the coating. This involves finding out about the technical specifications of the equipment such as the type of resin, sheath, robot and camera used.

It is also crucial to check that the equipment is suitable for the dimensions, length, shape and condition of the pipes to be treated. In addition, it is advisable to rely on the reputation and testimonials concerning the manufacturer or distributor of the equipment, and to ensure that it has the required certifications and guarantees.

Consider ease of use and vendor support

The second essential criterion is the ease of handling and the support offered by the supplier. It is important to check the ease of transport, installation, handling and maintenance of the equipment.

The supplier should also support you throughout your project, offering consultation, training, maintenance and support services when needed. Ask about the delivery, rental, purchase and recovery options offered for the equipment.

Also, find out about the warranty conditions, after-sales service and technical support offered by the supplier. It is also wise to check reviews from other users and ensure the supplier's good reputation and availability.

Consider budget and ROI

The budget and profitability of the investment in pipe lining equipment is the third criterion to consider. It is essential to ensure that the investment corresponds to your financial means and that it will allow savings and profits in the short, medium and long term. Find out about the costs related to the purchase, rental, transport, installation, use and maintenance of the equipment.

Also inquire about grants, tax incentives and financial aid available to support your project. Finally, evaluate the expected benefits of using the equipment, including cost reduction, increased productivity, improved customer satisfaction and contribution to environmental protection.

Conclusion

It is clear that pipe lining is a solution of choice for the rehabilitation of drainage networks. This method offers you the opportunity to restore your pipes without replacing them completely, thus providing new sealing, resistance and extending their lifespan.

However, to ensure effective lining, it is crucial to select the most suitable equipment for your needs, considering the quality, efficiency and cost of the equipment. It is also important to rely on a reliable and competent supplier, able to support you at every stage of your project and offer you impeccable service.

Don't delay, contact us now to benefit from a free, tailor-made quote. We offer you the most suitable solutions for pipe lining, including state-of-the-art equipment and personalized support.

Our commitment is to provide you with a fast, efficient and sustainable service, while ensuring respect for the environment and your budgetary constraints. With our help, the renovation of your pipes will be done with complete peace of mind.