The lifespan of an inground pool liner depends on several factors, such as the quality of the liner, water chemistry, and maintenance practices. On average, an inground pool liner can last between 10 to 20 years. However, this estimate can vary based on the type of pool liner and how well it is cared for.
Fiberglass Liners
Fiberglass pool liners are known for their durability and longevity. With proper care, a fiberglass liner can last up to 20 years. These liners are resistant to fading, cracking, and tearing, making them an excellent choice for longevity.
Vinyl Liners
Vinyl liners are a popular choice for inground pools due to their affordability and versatility. However, they have a shorter lifespan compared to fiberglass liners. On average, a vinyl liner can last between 10 to 15 years. Regular maintenance and proper water chemistry can help extend the life of a vinyl liner.
Signs Your Inground Pool Liner Needs Replacement
- Fading and Discoloration: Over time, exposure to UV radiation and pool chemicals can cause the color of the pool liner to fade. If you notice significant fading or discoloration, it may be time to consider a replacement. Faded liners can also indicate a loss of plasticizers, making the liner more brittle and prone to cracks and tears.
- Wrinkles and Bumps: As a pool liner ages, it may develop wrinkles, especially in areas with poor installation or underlying issues. Wrinkles can also form due to shifting ground or water pressure. If you notice excessive wrinkles, it’s important to address the issue promptly to prevent further damage.
- Cracks and Tears: Cracks and tears in an inground pool liner are clear indicators that a replacement is needed. These damages can lead to water leaks and pose a risk to the structural integrity of the pool. It’s essential to address any visible damage to the liner as soon as possible to prevent further complications.
- Water Loss: If you observe a significant decrease in water level in your pool, it may be a sign of a leak in the liner. While some water loss is normal due to evaporation, consistent and unexplained water loss should be investigated. Conducting a bucket test can help determine if the water loss is due to a leak rather than evaporation.
- Stains and Discoloration: Stains on the pool liner can be caused by minerals, algae, or chemical imbalances. While some stains can be treated and removed, stubborn and unsightly stains may require a liner replacement. If the stains persist despite proper maintenance and cleaning, it’s worth considering a new liner to restore the pool’s aesthetics.