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21' Round Reef, Overlap Above Ground Liner, 48 - 54" Wall

SKU#: REEF21
$389.00
$629.99
You save 38%
Availability: In Stock
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  • Durable 100% Virgin Vinyl: Made from high-quality virgin vinyl, this liner resists fading, tearing, and punctures so your pool stays protected all season long

  • Overlap Fit for Easy Installation: Designed to drape over the pool wall and secure with coping strips, making installation simple—even for first-time pool owners

  • Perfect for Round Above Ground Pools: Tailored specifically for round above ground pools, this liner ensures a snug, wrinkle-free fit that looks great and performs even better

  • UV and Chemical Resistant: Built to handle harsh sunlight and common pool chemicals without breaking down, so you get more summers out of your liner

  • Fresh New Look for Your Backyard: With its clean, vibrant finish, this liner refreshes your pool’s appearance and adds an inviting touch to your outdoor space

OverviewManuals & GuidesReviewsQ & A
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Overlap liners wrap directly over top your pool wall and are clipped into place with coping strips. You can always reuse coping strips granted they are still in good condition. As long as your pool wall is between 48-54" in height, our overlap liners will work for your pool.

Our Reef print liners are made from 100% virgin vinyl and are heavy duty 25 GA – you can be sure you will get a long, reliable life out of your liner. Engineered with top of the line technology to be crack and cold resistant to ensure longevity of your liner. The edges are sealed with the most advanced machinery and bonded with extreme pressure heat to ensure an enduring bond that will last you. Computerized cutting tables are used to eliminate human error. Tough & long lasting due to welded seams. This liner will work on all same-depth, above ground pools that are between 48" and 54” in wall length. Protected against chemicals and UV rays so your liner will last the hot summers and long, Canadian winters

15 Year Pro-rated Warranty on any manufacturing defects. Punctures, tears or damages caused by chemical over-use is not covered under warranty.

Features

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Looking for your perfect fit?

Specs

Size21' Round
Wall Height48" - 54"
TypeOverlap

21' Round Reef, Overlap Above Ground Liner, 48 - 54" Wall Reviews

imageWhat warranty comes with the 21' Round Reef overlap liner? 1 Answer

  • Our 21' Round Reef liners include a 15-year pro-rated warranty covering manufacturing defects. Please note that punctures, tears, improper installation, or damage caused by chemical overuse are not covered under warranty. Maintaining proper water chemistry and handling the liner carefully during installation will help protect your investment.

    Answered by Davestaff on October 1, 2025

imageHow durable are your 27' Round Reef overlap liners in different climates? 1 Answer

  • These 27' Round Reef liners are engineered with top-of-the-line technology to be crack-resistant and cold-resistant, making them ideal for hot summers and long Canadian winters. They are also protected against UV exposure and common pool chemicals, helping extend the life of your liner when proper water chemistry is maintained.

    Answered by Davestaff on April 21, 2025

imageWhat material and thickness is the 21' Round Reef liner made from? 1 Answer

  • Our 21' Round Reef liners are manufactured from 100% virgin vinyl and are a standard 20 gauge (20 GA) thickness. The liner features welded seams for added strength and durability. The edges are sealed using advanced heat-bonding technology and extreme pressure to create a long-lasting, dependable seal.

    Answered by Davestaff on August 9, 2024

imageWill this 21' Round Reef liner fit my pool? 1 Answer

  • Our 21' Round Reef overlap liners are designed to fit all same-depth, above-ground pools with wall heights between 48" and 54". As long as your pool falls within 21' Round Reef this wall height range, the liner will work properly. Always confirm your pool’s wall height before ordering to ensure a correct fit.

    Answered by Swapnilstaff on June 15, 2024

imageWhat is an 21' Round Reef overlap pool liner and how does it install? 1 Answer

  • An 21' Round Reef overlap liner is designed to wrap directly over the top of your above-ground pool wall. The liner is secured in place using coping strips that clip over the wall to hold it firmly. If your existing coping strips are still in good condition, they can be reused during installation, making replacement simple and cost-effective.

    Answered by Mitchellstaff on Invalid Date

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