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Before installing, lay the liner out in the sun for a minimum of one hour to warm up the vinyl ensuring it is able to stretch when adding water. Round pool size is determined by measuring from the center point wall to wall in order to obtain the diameter.
Pool height is determined by measuring the outside wall from the ground to underneath the top rail. These pieces will help prevent corrosion of the pool wall and should be replaced each time a new liner is installed as they become dry over time which could cause leaks. Your backyard aboveground pool will surely become the place to be during those hot summer days. Measure twice, or replacing an existing liner, buy once – whether installing for the first time, the boulder swirl pattern offers durability while not breaking the bank.

Made for above ground pools – liner pads are meant to eliminate water from corroding the metal components of above ground pools. Premium pool protection – our unique geotextile material is the best way to prevent nut grass, roots, rocks and other sharp objects from puncturing and damaging your pool’s liner.
Designed to last & eco-friendly – the liner shield is made of recyclable materials that are designed to allow moisture, and not harmful items to pass through. Find your fit - there liners are custom cut to specific sizes, looking for a solution for a larger or smaller pool? Search Shop Square Liner Pads for our full lineup.


Limited 2-year warranty. Fits your pool size – there is no need for tape or additional materials to install this Rhino Pad. Protect your liner - this pool liner pad is made from a special cloth fiber that is thick and durable.
Eco-friendly and durable – made of strong earthy woven material, the liner shield is a resilient geotextile fabric composed of 45% post consumer and 45% industrial recycled material that permits moisture to safely pass through. Nut grass is not covered under warranty. If you have a round, oval, or irregular pool size or shape, the liner guard can easily be trimmed to fit your needs. Longer liner life - preserve your pool liner and extend its life span. Note: made in both black and white material.

Round pool size is determined by measuring from the center point wall to wall in order to obtain the diameter. No trouble to install - overlap liners are draped over the walls of the pool during the installation process. High quality material - swim care-free knowing your liner can tough it out through abrasion, chemicals and UV fading thanks to the use of Lamiclear technology.
The north american cut material is hand-folded to prevent permanent creasing and excess wrinkling. Once the bottom seam is even near the cove, the liner is ready to be secured. Pretty pleasing pattern - the cracked glass pool liner provides a beautiful mosaic of blue glass pieces arranged around the top of your swimming pool. Stay cool in more ways than one with the Cracked Glass liner. Before installing, lay the liner out in the sun for a minimum of one hour to warm up the vinyl ensuring it is able to stretch when adding water.

Measure twice, or replacing an existing liner, buy once – whether installing for the first time, the solid blue pattern offers durability while not breaking the bank. The best temperatures to install would be between 70-80 degrees.
This skimmer gasket will work with either standard sized skimmers or wide-mouth versions. Once the bottom seam is even near the cove, the liner is ready to be secured. Universal gasket set - the included kit is for the pool’s skimmer and return. The north american cut material is hand-folded to prevent permanent creasing and excess wrinkling. The liner is made to work with pools which have a flat bottom and wall heights of 48” or 52”. Stay cool in the pool – enjoy the warm weather while spending quality time with family and friends.


Protect your lovely pool: the 18ft square pool liner pad sits beneath your pool liner, roots, rocks and other sharp objects Punctures and damages your pool liner, providing a flat base against nut grass, the waterproof and sturdy PE material provides extra cushioning and liner protection, extending liner life.
Quality customer service guarantee: fast delivery to the goods, you can send us an email at any time, 100% guaranteed customer satisfaction. Larger sizes will give you a great summer swimming experience, sew and bind material, no need to measure, cut, already pre-cut for round swimming pools.18ft pre-cut liner pad: the 18x18 foot square pool liner pad fits 18ft or smaller round or square above-ground pools.

1. Quality Pool Products
#ad
Overlap HD Patterns Round, Glimmerglass, 33', 28', 30', 15'x30', 15'x24', Oval, 15'x25', 24', 12'x24', 27', Pool Liner for Above Ground, 15', 18', 16'x32', 21', 21'x41' 18' Round, 18'x33'
#adQuality Pool Products #ad - Beautiful, HD Unique Designs. Overlap style - fits up to 54" deep. Chemically treated to Resist Harmful UV Rays. Coping strips Required for Installation sold separately. 25 gauge - heavy duty 100% Virgin Vinyl.More information #ad
Brand | Quality Pool Products #ad |
Manufacturer | Quality Pool Products #ad |
More information #ad
2. Smartline
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Smartline Boulder Swirl 18-Foot Round Liner | Overlap Style | 48-to-52-Inch Wall Height | 25 Gauge Virgin Vinyl | Designed for Steel Sided Above-Ground Swimming Pools | Universal Gasket Kit Included
#adSmartline #ad - No trouble to install - overlap liners are draped over the walls of the pool during the installation process. Pretty pleasing pattern - blue rocks top the swirling water backdrop with the boulder swirl pattern. Will not work with Intex or Pop-Up pools***. Stay cool in the pool – enjoy the warm weather while spending quality time with family and friends.Before installing, lay the liner out in the sun for a minimum of one hour to warm up the vinyl ensuring it is able to stretch when adding water. Round pool size is determined by measuring from the center point wall to wall in order to obtain the diameter.
More information #ad
This material is held in place through the use of coping strips prior to putting the top rails back onto the pool. Once the bottom seam is even near the cove, the liner is ready to be secured. Bead receivers are not needed for this type of liner. Universal gasket set - the included kit is for the pool’s skimmer and return. Pool height is determined by measuring the outside wall from the ground to underneath the top rail. These pieces will help prevent corrosion of the pool wall and should be replaced each time a new liner is installed as they become dry over time which could cause leaks. Your backyard aboveground pool will surely become the place to be during those hot summer days. Measure twice, or replacing an existing liner, buy once – whether installing for the first time, the boulder swirl pattern offers durability while not breaking the bank.
Brand | Smartline #ad |
Manufacturer | Swimline #ad |
Part Number | A171848AJ |
More information #ad
3. Shop Square
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Puncture Prevention Extends Liner Life, Durable Eco-Friendly Geotextile Material, Shop Square Precut 18-Foot Round White Pool Liner Pad for 18' Above Ground Swimming Pools
#adShop Square #ad - 18 foot precut liner pad – shop square 18 foot round pool liners are designed to install easily. No need to measure, & bind material, sew, tie, cut, this pad is already cut for round swimming pools.Made for above ground pools – liner pads are meant to eliminate water from corroding the metal components of above ground pools. Premium pool protection – our unique geotextile material is the best way to prevent nut grass, roots, rocks and other sharp objects from puncturing and damaging your pool’s liner.
More information #ad
To install, lay your sand barrier, install the liner pad and then build your pool above the liner. Designed to last & eco-friendly – the liner shield is made of recyclable materials that are designed to allow moisture, and not harmful items to pass through. Find your fit - there liners are custom cut to specific sizes, looking for a solution for a larger or smaller pool? Search Shop Square Liner Pads for our full lineup.
Brand | Shop Square #ad |
Manufacturer | Shop Square #ad |
More information #ad
4. GLI
#ad
18-Feet, GLI 70-0018RD-BLK-160 Round Armor Shield Floor Pad
#adGLI #ad - This armor shield floor pad provides an important protective layer between a vinyl swimming pool liner and it's sand or soil base. Available in round shape and 18-feet diameter. Armor shield also reduces convective heat loss and provides a comfortable floor pad for tired feet.More information #ad
Armor shield is a polypropylene geotextile material that prevents cuts and punctures to the vinyl liner caused by rocks, roots, grass and even glass. Above ground liner is installed with an armor shield floor pad.Brand | GLI #ad |
Manufacturer | GLI Covers #ad |
Height | 1 Inches |
Length | 1 Inches |
Weight | 1 Pounds |
Width | 1 Inches |
Part Number | AG-LA-1118 |
Model | 70-0018RD-BLK-160 |
More information #ad
5. Rhino Pad
#ad
Rhino Pad 18-Foot Round Pool Liner Pad for Above Ground Swimming Pools | Prevents Punctures | Easy to Install Pool Liner Fabric | Made of Strong Eco-Friendly Material | Extends Life to The Liner
#adRhino Pad #ad - It is pre-measured for your specific swimming pool size. You may receive either black or white with your order, but both colors provide the same protective barrier. Its high density and low compression construction qualities help create a resilience to all sorts of invasive elements, protecting your liner while ensuring you get the most out of your swimming pool.Limited 2-year warranty. Fits your pool size – there is no need for tape or additional materials to install this Rhino Pad. Protect your liner - this pool liner pad is made from a special cloth fiber that is thick and durable.
More information #ad
It will provide a flat base that gives an extra layer of armor for your swimming pool floor bottom prior to liner installation. It will give your pool floor a subtle layer of cushion and padding, while also protecting the liner from potential damage. Eco-friendly and durable – made of strong earthy woven material, the liner shield is a resilient geotextile fabric composed of 45% post consumer and 45% industrial recycled material that permits moisture to safely pass through. Nut grass is not covered under warranty. If you have a round, oval, or irregular pool size or shape, the liner guard can easily be trimmed to fit your needs. Longer liner life - preserve your pool liner and extend its life span. Note: made in both black and white material.
Brand | Rhino Pad #ad |
Manufacturer | Rhino Pad #ad |
Part Number | GP18R |
More information #ad
6. Smartline
#ad
Smartline Cracked Glass 18-Foot Round Liner | Overlap Style | 48-to-52-Inch Wall Height | 25 Gauge Virgin Vinyl | Designed for Steel Sided Above-Ground Swimming Pools
#adSmartline #ad - The layers are made of an acrylic top coat, a UV resistant print layer, and a 100% virgin vinyl base. This material is held in place through the use of coping strips prior to putting the top rails back onto the pool. The best temperatures to install would be between 70-80 degrees.Round pool size is determined by measuring from the center point wall to wall in order to obtain the diameter. No trouble to install - overlap liners are draped over the walls of the pool during the installation process. High quality material - swim care-free knowing your liner can tough it out through abrasion, chemicals and UV fading thanks to the use of Lamiclear technology.
More information #ad
This material is then welded and cut for a flawless fit and finish. A 25-year limited warranty is included protecting against defects in material and workmanship. The north american cut material is hand-folded to prevent permanent creasing and excess wrinkling. Once the bottom seam is even near the cove, the liner is ready to be secured. Pretty pleasing pattern - the cracked glass pool liner provides a beautiful mosaic of blue glass pieces arranged around the top of your swimming pool. Stay cool in more ways than one with the Cracked Glass liner. Before installing, lay the liner out in the sun for a minimum of one hour to warm up the vinyl ensuring it is able to stretch when adding water.
Brand | Smartline #ad |
Manufacturer | Swimline #ad |
Part Number | LI1848BSO25 |
More information #ad
7. Smartline
#ad
Smartline Solid Blue 18-Foot Round Liner | Overlap Style | 48-to-52-Inch Wall Height | 25 Gauge Virgin Vinyl | Designed for Steel Sided Above-Ground Swimming Pools | Universal Gasket Kit Included
#adSmartline #ad - Stay cool in more ways than one with the Solid Blue liner. Round pool size is determined by measuring from the center point wall to wall in order to obtain the diameter. This material is held in place through the use of coping strips prior to putting the top rails back onto the pool. Be sure to check the measurements of your swimming pool to assure the correct size is purchased.Measure twice, or replacing an existing liner, buy once – whether installing for the first time, the solid blue pattern offers durability while not breaking the bank. The best temperatures to install would be between 70-80 degrees.
More information #ad
No trouble to install - overlap liners are draped over the walls of the pool during the installation process. These pieces will help prevent corrosion of the pool wall and should be replaced each time a new liner is installed as they become dry over time which could cause leaks. This skimmer gasket will work with either standard sized skimmers or wide-mouth versions. Once the bottom seam is even near the cove, the liner is ready to be secured. Universal gasket set - the included kit is for the pool’s skimmer and return. The north american cut material is hand-folded to prevent permanent creasing and excess wrinkling. The liner is made to work with pools which have a flat bottom and wall heights of 48” or 52”. Stay cool in the pool – enjoy the warm weather while spending quality time with family and friends.
Brand | Smartline #ad |
Manufacturer | Swimline #ad |
Part Number | A171848AZ |
More information #ad
8. Swimline
#ad
Swimline 18-Feet Round Swirl Bottom Overlap Liner Standard Gauge
#adSwimline #ad - Vibrant swirl bottom design. Constructed of durable, standard gauge vinyl. Will fit either 48-inch or 52-inch sidewall. Strong, double-welded seams. Backed by a 15-year warranty.More information #ad
Brand | Swimline #ad |
Manufacturer | International Leisure Products #ad |
Height | 0 Inches |
Length | 216 Inches |
Weight | 0 Pounds |
Width | 216 Inches |
Part Number | SWL-750-0005 |
Model | NL284-20 |
Warranty | 15 year warranty |
More information #ad
9. Pulaim
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Waterproof Eco-Friendly Durable PE Material, Blue 18x18 Foot Pool Ground Cloth, Puncture Resistant Extends Liner Life, 18Ft Above Ground Pool Liner Pad for 18Ft Round Above Ground Pool
#adPulaim #ad - Practical design and premium material: the 18ft square pool liner pad is made of high-quality PE material, soft and wear-resistant. If you have any questions during or after the purchase, well packaged, and we will give you a satisfactory answer as soon as possible. Wide range of applications: the 18ft square pool liner pad can not only be used in swimming pools to bring you a wonderful summer swimming experience, tents, boats, but also can be used in camping and covering outdoor objects such as cars, wood etc.Protect your lovely pool: the 18ft square pool liner pad sits beneath your pool liner, roots, rocks and other sharp objects Punctures and damages your pool liner, providing a flat base against nut grass, the waterproof and sturdy PE material provides extra cushioning and liner protection, extending liner life.
More information #ad
The edges are heat-sealed and folded at high temperature, sun-resistant, which is waterproof, which is not easy to leak and break; the sturdy metal grommets on the edges are more convenient to fix. Quality customer service guarantee: fast delivery to the goods, you can send us an email at any time, 100% guaranteed customer satisfaction. Larger sizes will give you a great summer swimming experience, sew and bind material, no need to measure, cut, already pre-cut for round swimming pools.18ft pre-cut liner pad: the 18x18 foot square pool liner pad fits 18ft or smaller round or square above-ground pools.
Brand | Pulaim #ad |
Manufacturer | Pulaim #ad |
Weight | 7.7 Pounds |
Warranty | 100% guaranteed customer satisfaction: If you have any questions during or after the purchase, you can send us an email at any time, and we will give you a satisfactory answer as soon as possible. |
More information #ad
10. Blue Wave
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Blue Wave 18-Feet Round Liner Pad for Above Ground Pools
#adBlue Wave #ad - Above ground pool liner pad only - Blue vinyl liner sold separately. Provides a layer of cushioning. Protects your liner from sharp objects. Helps to prevent vinyl liner bottom leaks. Cut to size and seamed for your pool. Tough and durable.More information #ad
Brand | Blue Wave #ad |
Manufacturer | Blue Wave Products #ad |
Height | 7 Inches |
Length | 22 Inches |
Weight | 16 Pounds |
Width | 18 Inches |
Part Number | NL1522 |
Model | NL1522 |
Warranty | no warranty |
More information #ad