What Is BRAWOLINER® Pipe Repair?
Damaged sewer pipes can create problems that go far beyond slow drainage. Cracks, leaking joints, and aging pipe walls can lead to recurring blockages, water leaks, and costly repairs. Traditionally, fixing these problems often meant digging up the ground to access and replace the damaged section. However, trenchless technology offers another option.
BRAWOLINER pipe repair uses a flexible textile liner to rehabilitate damaged pipes from the inside. Instead of removing the existing pipeline, contractors install a specially designed liner within it. The liner forms a new internal surface after the installation process and resin curing. This approach helps restore the pipe while reducing the need for excavation.
BRAWOLINER® is a pipe rehabilitation system developed for drain and sewer lining applications. According to IPP Solutions, its flexible construction allows the liner to navigate bends of up to 90 degrees and accommodate certain dimensional changes. Standard BRAWOLINER® products cover pipe diameters from 50 to 250 millimeters, while specialized versions address additional dimensional variations. These capabilities make the system useful for many residential and commercial drainage projects.
How Does the Liner Work?
The process creates a new lining inside the existing pipe. Contractors prepare the liner and impregnate it with a suitable resin before installing it in the damaged pipeline. They then position the liner against the pipe’s interior and cure the resin according to the system’s requirements.
Once the resin hardens, the liner forms a continuous internal structure. This lining helps seal defects and restore the pipe’s serviceability without requiring contractors to replace the entire pipeline. The original pipe remains in place, reducing the need for disruptive excavation.
BRAWOLINER® also offers specialized flexibility for pipes with bends and changes in diameter. This matters because real-world drainage systems rarely follow perfectly straight paths. A suitable liner can navigate these sections while maintaining contact with the pipe’s interior.
However, contractors must first assess the existing pipe’s condition. Severe collapses, major structural failures, or other complex defects may require additional work before lining can begin. A proper inspection helps determine whether BRAWOLINER® suits the project.
How Does BRAWOLINER® Repair Damaged Sewer Pipes?
Successful pipe rehabilitation depends on careful preparation, accurate installation, and proper curing. Although the exact procedure varies by project and liner system, contractors generally follow several essential steps.
Step 1: Inspect the Existing Sewer Pipe
The process begins with a detailed inspection of the damaged pipeline. Contractors often use a CCTV inspection camera to identify cracks, leaking joints, deposits, root intrusion, and other defects.
This inspection reveals the location and severity of the damage. It also helps contractors measure the pipe and determine whether the selected liner can accommodate its bends and dimensions. Without this assessment, crews risk choosing an unsuitable repair method.
Step 2: Clean and Prepare the Pipeline
Next, contractors remove debris, grease, scale, and other buildup from the pipe’s interior. Depending on the pipe’s condition, they may use high-pressure water jetting or specialized mechanical cleaning equipment.
Proper cleaning creates a suitable surface for rehabilitation. It also allows contractors to inspect the pipe more accurately and identify obstructions that could interfere with installation. If the pipeline contains severe blockages or structural damage, crews may need to address those issues first.
Preparation is especially important for pipes with bends or irregular sections. Even a high-quality liner cannot deliver reliable results if debris prevents correct positioning or the existing pipe remains unsuitable for rehabilitation.
Step 3: Prepare the BRAWOLINER® Liner
Once the pipe is ready, technicians prepare the liner according to the selected system’s specifications. They impregnate the flexible textile liner with the appropriate resin, ensuring the material is ready for installation.
The liner and resin must match the project’s requirements. Contractors consider factors such as pipe dimensions, the type of damage, the installation method, and the required curing process. Following the manufacturer’s instructions helps maintain consistent results.
Careful handling also matters at this stage. Technicians must position and manage the prepared liner correctly to avoid installation problems or premature curing.
Step 4: Install and Position the Liner
Contractors then introduce the prepared liner into the existing pipe through a suitable access point. Depending on the system and site conditions, they use the appropriate installation equipment and method to move the liner through the pipeline.
The liner must follow the pipe’s internal shape, including bends and dimensional changes within its approved operating range. Correct positioning helps the material sit properly against the existing pipe wall.
This is where BRAWOLINER®’s flexibility becomes particularly useful. Many drainage systems include tight turns or changes in direction that can complicate conventional repair work. A flexible liner helps contractors rehabilitate these sections without opening the ground along the entire pipe route.
Step 5: Cure the Resin and Inspect the Repair
After installation, contractors cure the resin using the method specified for the selected liner system. The resin hardens and forms a durable internal lining that helps seal defects and improve the pipe’s condition.
The team then inspects the completed installation to check the liner’s position and overall quality. A final camera inspection can reveal visible wrinkles, installation defects, or areas that need further attention.
Contractors should confirm that the lining meets the project’s requirements before returning the pipeline to service. Proper curing, quality control, and adherence to manufacturer guidance all contribute to a reliable repair.
Key Benefits of BRAWOLINER® Pipe Repair and When to Use It
One of the biggest advantages of BRAWOLINER® pipe repair is its trenchless approach. Because contractors rehabilitate the pipe from the inside, they can often avoid extensive excavation. This can reduce disruption to driveways, landscaping, floors, and other surfaces above the pipeline.
The method can also help reduce project time and restoration costs. Traditional replacement may require digging trenches, removing damaged pipe sections, installing replacements, and restoring the surrounding area. Trenchless rehabilitation can limit these additional tasks, although actual savings depend on the pipe’s condition and the project’s complexity.
Flexibility for Complex Drainage Systems
BRAWOLINER® is designed to accommodate bends and certain changes in pipe dimensions. This flexibility helps contractors address drainage layouts that would otherwise make access and replacement difficult.
The product range also includes specialized liner options for different pipe sizes and dimensional changes. Contractors can therefore select an appropriate solution based on the pipeline’s geometry and rehabilitation requirements. They should always verify product specifications before beginning work.
Long-Term Pipe Rehabilitation
A properly installed liner can help extend the useful life of a damaged pipeline. By creating a continuous internal lining, the system helps seal defects and protect the existing pipe from further deterioration, depending on the application and lining design.
IPP Solutions describes BRAWOLINER® as a durable rehabilitation option with a working life exceeding 50 years. Actual service life depends on installation quality, operating conditions, and the specific system used. Contractors should review the manufacturer’s technical documentation when estimating long-term performance.
Is BRAWOLINER® Right for Every Damaged Sewer Pipe?
Not every damaged pipe is a suitable candidate for lining. The right solution depends on the pipe’s structural condition, diameter, layout, accessibility, and the type of defect.
For example, a pipeline with cracks or leaking joints may be suitable for rehabilitation if it remains stable enough for the selected lining method. A severely collapsed pipe may need excavation or other corrective work before a liner can be installed.
Contractors should also consider local requirements, project specifications, and the expected operating conditions. A professional inspection provides the information needed to select an appropriate repair method.
Ultimately, BRAWOLINER® offers contractors a practical option for rehabilitating many damaged sewer and drain pipes without extensive excavation. Its flexible design, careful installation process, and durable internal lining can help reduce disruption while restoring pipeline performance.
IPP Solutions provides BRAWOLINER® and BRAWO® SYSTEMS solutions for trenchless drain and sewer rehabilitation.
The company supports contractors seeking practical equipment and technology for challenging pipe repair projects.
Visit IPP Solutions to explore BRAWOLINER® products and find the right solution for your next rehabilitation job.



