Swimline LI2141XL Oval Expandable Overlap Above Ground Liner - 21 ft x 41 ft, 60 in Wall

What This Part Is Used For
This expandable overlap liner fits 21 ft x 41 ft oval above ground pools with 60 in wall height. It drapes over the wall and forms the sealed interior surface of the pool shell.

Why This Part Matters
Matching the correct 60 in wall height prevents overstretching and uneven liner tension. A liner that is too short can pull under load and stress seams prematurely. Proper sizing protects the pool wall and maintains a smooth interior finish.

Key Features and Specifications

• Manufacturer part number LI2141XL
• Designed for 21 ft x 41 ft oval above ground pools
• Expandable overlap style
• Fits 60 in wall height

Installation and Fitment Guidance
Ensure wall height is verified before installation. Install in warm weather to improve vinyl flexibility and reduce wrinkles. Confirm by manufacturer part number before ordering.

About the Swimline Brand
Swimline provides liner solutions tailored to common oval pool footprints and wall heights. Their expandable overlap liners support deeper configurations found in many residential backyards. The brand remains widely used for seasonal liner upgrades and full pool refreshes.

Common Service Context
Typically replaced during major liner swaps when upgrading to a deeper wall profile. Techs recognize this size in extended oval above ground pool installations.