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  • Close-up of elegant Boulder Swirl pattern for above-ground pools
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Swimline LI2152BSB25 21'x52" RD HG BOULDER SWIRL BD AG LINER

Swimline LI2152BSB25 21'x52" RD HG BOULDER SWIRL BD AG LINER

$557.99
$669.99 $557.99
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Durable and stylish, this 21'x52" Boulder Swirl pool liner delivers a perfect fit with easy installation and long-lasting protection.
Product Details

Upgrade your pool with the Swimline 21'x52" Round Boulder Swirl Liner, designed for above-ground pools. Its 100% virgin vinyl construction ensures long-term durability and resistance to fading.

The Boulder Swirl pattern adds a touch of elegance and blends beautifully with any pool design. Precision-welded seams offer extra strength to prevent leaks and wear.

Its 25-gauge thickness provides added puncture resistance, making it ideal for active families and extended use. The liner fits perfectly into steel wall above-ground pools, ensuring a smooth and secure installation.

UV inhibitors help protect against sun damage, extending the liner’s life season after season. Easy to install and maintain, this liner offers dependable performance with style.

AI Review Summary ✨

⭐️⭐️⭐️⭐️⭐️ Customers praise the liner’s tough construction and vibrant design, noting how well it holds up season after season.

Many users mention the easy installation process, even for first-timers, thanks to the perfect fit and clear measurements.

The Boulder Swirl pattern is a fan favorite for its clean, refreshing look that enhances their backyard aesthetic.

Reviewers consistently say it’s a great value, offering high-end quality at a much more affordable price point.
Features
  • Size and Fit - Designed for 21'x52" round above-ground pools with steel walls
  • Durable Material - Made from premium 25-gauge virgin vinyl for long-lasting performance
  • Stylish Design - Boulder Swirl pattern brings an elegant, modern touch to any pool
  • UV Protection - Built-in UV inhibitors guard against fading and sun damage
  • Leak-Resistant - Heat-welded seams increase strength and prevent leaks
  • Easy Installation - Precise sizing and flexible vinyl make setup simple and smooth
  • Secure Placement - Beaded liner design ensures a snug and stable fit
  • Low Maintenance - Smooth surface resists algae and buildup for easier cleaning
Specifications
  • Brand Swimline
  • Each Product Weight 61 pound
  • Channel Non-Preferred
  • Liner Pattern Boulder
  • Liner Type Beaded
  • Minimum Sell Quantity 1
  • Pool Shape Round
  • UPC Code 723815032799
Frequently Asked Questions

Q: Will this liner fit my 21-foot round above-ground pool with a 52-inch wall?

A: Yes, this liner is specifically designed to fit 21'x52" round above-ground pools with steel walls, offering a snug and secure fit.

Q: Is the liner easy to install for someone without pool experience?

A: Many users report simple installation even for beginners, especially with the beaded design that locks into place with minimal effort.

Q: How resistant is the liner to fading from sun exposure?

A: The liner is made with UV inhibitors that protect against sun damage, keeping the pattern vibrant and the material strong over time.
Warranty
Warranty URL: https://swimline.com/pages/warranties
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Swimline is a favorite for fun and function, offering everything from pool floats and loungers to liners, covers, and maintenance gear. Whether you're upgrading your pool’s look or stocking up on cleaning essentials, Swimline delivers quality and creativity. At AquaDoc, we carry a wide range of Swimline pool products to help you enjoy and maintain your pool all season long.

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