The lifespan of a canal liner depends on the material used, environmental conditions, and maintenance practices. Concrete liners can last 30 to 50 years or more with proper care, though they may require repairs if cracks develop. Clay liners, while cost-effective, have a shorter lifespan, often lasting 10 to 20 years, as they can erode or become less effective over time.
In comparison, geomembrane liners, such as RPE, may last 30 to 40 years. RPE, or reinforced polyethylene, liners are made of an extremely tear resistant synthetic fabric, making them highly durable despite being thin and lightweight. However, the longevity of geomembranes will greatly depend on the quality of their installation and maintenance.
