When CIPP Fails: What Really Happens and Why

Cured-in-place pipe (CIPP) lining is widely recognized as a game-changing method for restoring damaged pipelines without the need for disruptive excavation. When executed correctly, it provides a long-lasting solution that minimizes downtime and environmental impact. However, like any advanced technique, trenchless pipe lining in Columbus, OH carries potential risks. While failures are rare, they do happen—and the consequences can be significant.

Material or Curing Failures

CIPP pipe lining relies on a resin-saturated liner that hardens in place, forming a new pipe within the existing one. If the resin isn’t mixed properly or doesn’t fully cure, the liner may remain soft or brittle, leading to structural weaknesses. In some cases, incomplete curing leads to chemical leaching, which can then cause contamination.

To prevent these issues, reputable pipe lining companies follow strict material handling protocols and carefully control curing conditions. Advances in UV and steam curing have also reduced the likelihood of errors, but vigilance is still necessary to catch potential problems before they escalate.

Wrinkles, Collapses, and Blockages

Proper liner installation requires precise calibration. If the liner is not positioned correctly or encounters unexpected resistance, it can develop folds, wrinkles, or even collapse entirely. These defects create flow restrictions and, in extreme cases, a complete blockage—effectively replacing one problem with another.

This is especially true for cast iron pipe lining, where older pipes may have irregularities that complicate the process. High-quality inspections before, during, and after installation help detect these issues.

Modern robotic cutters and re-rounding techniques can sometimes correct minor deformities, but in severe cases, a failed liner may need to be removed and replaced.

Steam and Chemical Exposure Risks

The curing process often involves heat and chemical reactions that release fumes. In poorly ventilated areas, these emissions can accumulate, leading to potential health and safety hazards, particularly when volatile organic compounds (VOCs) are involved. Leading sewer pipe lining companies take steps to minimize exposure risks, including the use of safer resin formulations and advanced curing methods that produce fewer emissions. Monitoring equipment and proper exhaust setups also help maintain safe conditions.

The Importance of Expertise

While CIPP remains one of the most reliable trenchless solutions, understanding what can go wrong—and how professionals prevent it—reinforces the value of expertise. At Sewer Pro, we bring the skill and attention to detail needed for lasting results. Contact us today to ensure your CIPP installation is done right the first time.