20 mil PVC is a great material for use in water gardens, koi ponds, and various other water features and projects. This material is much lighter in weight and more economical than 45 mil EPDM liners. PVC is often used for its accessibility, ease of access, and durability.
This PVC liner has a shiny, high-gloss finish on one side and a dull finish on the other, the liner functions the same regardless of which side faces up.
This liner is durable and designed to last, backed by a 15-year manufacturer's warranty.