Best Aquascape Pond Liners in 2026

This item is a flat sheet pond liner measuring 4 Feet Wide x 6 Feet Long (1.22 m x 1.83 m) in 20-mil Black (0.50mm) PVC

Example pond size for this liner: 3' Wide x 5' Long x 0.5' Deep with 0' Overlap

20-mil Black (0.50mm) PVC liner material is very flexible and easily conforms to shapes and contours and is both Fish and Plant Friendly!

This item is a flat sheet pond liner measuring 8.5 Feet Wide x 15 Feet Long (2.59 m x 4.57 m) in 20-mil Black (0.50mm) PVC

Example pond size for this liner: 4.5' Wide x 11' Long x 1.5' Deep with 0.5' Overlap

20-mil Black (0.50mm) PVC liner material is very flexible and easily conforms to shapes and contours and is both Fish and Plant Friendly!

Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions

Specifically designed for underwater use and to be non toxic and fish and plant safe

Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain

10 x 13ft LDPE Pond Liner ,20 Mil Pond Skins for Fish Ponds,Water Features,Fountains,Waterfall and Water Gardens,Black

20 Mil Thickness: Our pond liner is made of durable LDPE, with a thickness of 20 Mil, sun-proof and waterproof, and can be used in outdoor ponds for a long time.

10x13ft Pond Liner:It is best choice for water gardens, fish ponds and backyard waterfalls.Works better in sweeping corners, gentle sloping sides and bottom transitions.

HIGHLY DURABLE - With the thickness of 20mil, our pond liners provide superior durability than other liners, UV and ozone resistant, puncture resistant, can be used more than 30 years

FISH & PLANTS SAFE - Specially designed for water gardens, the 7' x 10' small pond liner is made of premium smooth LDPE, which is environmentally friendly, more safer for your fish and plant life than the PVC liners

MULTIFUNCTIONAL - The fish pond liners are perfect for streams, water gardens, fish/koi ponds, fountains, backyard waterfalls and outdoor decorative ponds; Also a protective waterproof liner for your different purposes

SIZE - 7 x 10 Feet Pond Liner is ideal for small ponds, up to 200 gallons of water; Easy installation, no tools required

THICKNESS - 20 Mil pond liner, thicker than the most fish pond liner in the market; Ultra-durable yet lightweight, easy to install, while flexible for a variety of creative designs

SAFE MATERIAL - Made of good quality LDPE, our liner is UV and puncture resistant, can be used for many years; Environmentally friendly, safe for your fish and plant

Marine grade Silicone that Seals Leaks in Ponds & Aquariums

Black Color

Fits into caulk gun

THICKER - 20 Mil thickened, THICKER than the most pond liner in the market; Ultra-durable yet lightweight, easy to install, while flexible for a variety of creative designs

SAFE MATERIAL - Made of good quality LDPE, our liner is UV and puncture resistant, can be used for MORE THAN 10 years; Environmentally friendly, safe for your fish and plant

SIZE - Pond Liner 4 x 7 FT is especially designed for small ponds, also you can cut to any size you need; Easy to install, no tools required

🌟PREMIUM & UNIQUE MATERIAL: Differ from other products on the market, our pond liner is made of 100% virgin HDPE with UV treated, three layers, middle woven HDPE with two side lamination LDPE. These fish & plant safe liners are considered one of the most durable pond liners available, lasting up to 10 years.

🌟EXCELLENT PUNCTURE RESISTANCE: Other pond equipment often leaks too much and lots of water, valuable minerals, and salts are lost. However, our RPE woven impermeable membrane materials are not. It is designed for economical, safe containment of contaminated soils, liquids, or sludges. Ideal for storage or remediation/treatment of contaminated materials, chemicals & water.

🌟PERFECT SIZE: Our fish koi pond liner is 20 x 30FT dimension, big enough to enable you to cut off any shape that you need. With a thickness of 24mil, this black tarp can be left in the sun full time with no covering, 3 times stronger than normal HPDE liners.

💪[Safe LLDPE Material 15X20 FT]: The LLDPE material is used for pond liners or blended into other films to give them more flexibility and extra strength; Environmentally friendly, safe for your fish and plant. We provide small to large three different sizes for different demands.

💪[Long Last & Durability]: This material is widely used for films that need a tremendous amount of strength to absorb impacts while not tearing or puncturing. Features with well UV resistant, which can hold up to the harsh rays of the sun, and also the tear and puncture resistant, chemical resistant.

💪[Flexible & Easy Installation]: The fish pond liner that weighs 30% less than ordinary 20 mil PVC but is just as strong and flexible. Freely Bending or folding, the liner can be stretched around corners to fit nearly any pond design. Also you can cut to any size you want for your small pond; Easy to install, no tools required.

POND LINER SKIN - Our durable pond liner has a size of 15'x 25' and a thickness of 20 Mil. It is easy to install, requires no tools and is flexibly suitable for various creative designs.

STABLE AND SAFE MATERIALS - High pressure polyethylene (LDPE) is durable material which is odorless, non-toxic. It has good softness, extensibility and good chemical stability. All the characteristics mentioned above ensure the safety of the fish pond liner, which will not cause pollution to water, air, land, etc., and ensure the safety of animals and plants

WIDE APPLICATIONS - Streams fountains, water features, fish ponds, waterfall and water gardens and more. Campus, park, garden, residential garden, community greening, square waterscape, building interior landscape and so on. Basically, you can use it for any water landscape you want to do. You'll be surprised at its performance.

Seals Leaks in Ponds, pools, spa's or filter boxes

Pressurized to get into tight spaces

Black Color 2.53 Fl Oz or 75 ML

40 Mils HDPE Rubber Liners: The pond liner is made of HDPE material, provides superior durability & flexibilitiy while maintaining the ability to stretch,can restrain the penetration of harmful substances into the pond and give your fish and plants a secure living environment.

40 mil thickness - This Pond HDPE Skins is strong enough to withstand extreme weather conditions, more durable, tear-proof, and puncture-proof and UV radiation

Good Performance - Our fish pond liner is 13x16FT dimension, has good flexibility, easy to bend and fold to fit the contours of pond rocks & walls. In addition, good waterproof performance can effectively retain the water in your pond.

Pond Liner made from HDPE material provides superior durability while maintaining the ability to stretch

Protect your pond: this liner will help to contain your pond, while also creating a safe and healthy environment for wildlife and plants.

Size: This 6.5x9.8 Precut piece is easy to place for any small pond. This liner is 20 mm thick.

FLEXIBLE & PLIABLE - Upgraded 14.5 mil LDPE pond liner provides good flexibility while maintaining the ability to stretch, which is more user friendly. Highly flexible - easy to bend down into corners and tricky shapes

UV & PUNCTURE RESISTANT - Made of high quality LDPE, UWIOFF pond liners are laminated with a UV resistant coating, lightweight yet ultra-durable, can be exposed to sun, rocks, puncture for ensuring many years of continued use

WIDE USE - 4x7ft small pond liner is perfect for fish ponds, waterfalls, backyard ponds, fountains, and other water features; Environmentally friendly, safe for your fish and plant

【Light in Texture and Excellent in Quality】The pond liner is made of high quality HDPE material in size of 20'x 20', flexible, tear and puncture resistant, lighter than ordinary PVC/LLDPE material.

【0.3mm/12mil ,Nice Balance Between Thickness and Performance】the perfect thickness make it neither too stiff, nor too flimsy. The flexibility makes it easy to fold and bend to fit the scenes in various angles，like rocks and waterfalls.

【Easy Use】Easy to install with no tools and is flexibly suitable for various creative designs. The properties of easy cutting allows you to flexibly adjust the landscape design, size, layout, etc.Please place underlayment to avoid sharp objects. It's durable, not indestructible.

✅ TOUGH & THICK POND LINER: This 45 Mil EPDM Pond Liner from Custom Pro is much more durable and thicker than cheap PVC economy liners. It is 45 mil thick. This black rubber pond liner measures 5 feet wide and 5 feet long.

✅ VERY FLEXIBLE: Although strong material, this pond liner can be shaped to fit the contours of your pond or other water feature. It is much easier to install than preformed or rigid pond liners, and it can be cut with scissors.

✅ MANY USES: This waterproof material lines various kinds of ponds, including koi ponds and water gardens. It is also used in fountains, pondless water features, streams, waterfalls and hardscapes.

Good Material - Pond Liner made from HDPE material provides superior durability while maintaining the ability to stretch, lightweight, malleable, puncture resistant, and long-lasting.

Use - Underneath the beautiful foliage and active aquatic life of your pond lies the product that keeps it functioning effectively, the fish pond liner.

Sturdy - Sturdy yet flexible cloth is easy to place within your pond area. Adds an additional layer of support for your outdoor water feature.

Pond Liner Repair Kit Includes Two Products:

One (1) Handy Pack Size 2.53 fl oz or 75ml, Pond & Aquarium Black Marine Grade Sealant with a very high bond strength and quick cure time. Bonds to most substrates, can be painted over with most types of paint including water based. Does not contain any Isocyanates or harmful solvents. Can be left unpainted without being affected by UV

One (1) Gold Label Pond Liner Repair Patch, 11 Inch x 7 1/2 Inch (280mm x 190mm) Gold Label Pond Liner Repair Patch Pre Cut Butyl Liner Patch Works Well with the Gold label Underwater Sealant Can Cut to Size

Product Size: We have four different sizes for your best choice, 1.5*2m/5*6.6ft; 2*3m/6.6*9.8ft; 2.5*3m/8.2*9.8ft; 3*3m/9.8*9.8 ft. It is easier to install than prefabricated or rigid pond liners and can be cut with scissors.

Material: Made of high-quality high-density polyethylene, lightweight, malleable, lined with UV and puncture resistance, durable, and completely harmless to your fish and plants.

Protect the Pond: This liner will help control your pond, while also creating a safe and healthy environment for wildlife and plants. When the lining is in place, it helps protect your water features, pond pumps, filters, etc.

[DIMENSION & Material] This pond liner with smooth surface measuring 6 x 6.6 Feet, is made of HDPE material which is safe for your fish and plant life.

[DURABLE] The pond liner provides superior durability while maintaining the ability to stretch. It can be exposed to sun, rocks, puncture for ensuring many years of continued use.

[FLEXIBLE ] The good flexibility makes it easy to fold and bend to your contour / outline of ponds rocks and waterfalls. For finished pond length, width, and depth, the pond liner can be tailored to conform to a variety of irregular surfaces and specific size.

[High-Quailty Material] This liners are made of HDPE material,they are durable and strong. It could hold water perfect,thickness and thick enough to line your pond and water plants,HDPE pond liners are safe for fish and long-lasting.

[Can Withstand Bad Weather] Able to withstand the harsh environment, our pond liner is resistant to UV, sunlight and temperature and will not crack at all. Safe for plants, fish and other aquatic life.

[Easy to Use and DIY] It is flexible and light, helps you install this easily,no matter what shape your pond is,this fish pond liner could formed well to the hole,you could bend to your outline of pond's rocks and waterfalls.

Durable Material: This pond liner is made of durable LLDPE material with high tensile and impact strength that resists tears and punctures; The 14.5 Mil thick liner can withstand extreme weather conditions and for long-term use in outdoor ponds

Flexibility: The pond liner is flexible, easily bending and folding to fit almost any shape of pond, so you can cut it into the shape you need for your particular pond; For better flexibility, it is recommended to leave the liner in the sun for 10-15 minutes

Better Pond Protection: The 7 x 10 feet pond liner is ideal for small ponds with up to 200 gallons of water; The black pond liner prevents soil dirt from entering the pond, creating a safe environment for fish and plants

Liner Size 19 foot 6 Inches by 16 Foot 4 Inches

Guaranteed for 15 years when used with underlay

Reversible Black or Brown Finish

Pond liner made from HDPE material provides superior durability while maintaining the ability to stretch.

Although strong material, this pond liner can be shaped to fit the contours of your pond or other water feature. It is much easier to install than preformed or rigid pond liners, and it can be cut with scissors.

This waterproof material lines various kinds of ponds, including koi ponds and water gardens. It is also used in fountains, pond less water features, streams, waterfalls and hard capes.

【Sturdy and firm】: Tough, can withstand a certain degree of stretching, 20 mil thickness, not easy to be punctured.

【Applicable scenes】: This PE pond liner can be used for courtyard waterfalls, outdoor fish ponds, garden fountains, and other landscape ponds.

【Size】: The 4'x7' pond liner is suitable for small to medium sized ponds, and in most cases will cover 1 4'x7' pond; you can also make it fit other sizes by cutting it.

Yarlung 10x13feet pond liner, 20mil thickness, ideal for medium ponds(6x9x1.5ft.), up to 500gallons of water, safe for your fish and plant.

Made of high-quality durable HDPE, it's sun-proof, UV resistant, waterproof and puncture resistant, used in outdoor ponds for a long time.

Our pond liner is lightweight and flexible to fit any pond shape, easy to cut, bend and install, stretched around sweeping corners and gentle sloping sides.

★ Perfect Use - a product that is placed under the beautiful leaves and active aquatic life of the fish pond to ensure the effective operation of the fish pond, and that is also suitable for use in industrial reservoirs

★ Pond Use - Pond liners are an excellent choice for ponds because they are strong and durable, but light and easy to use. HDPE pond liners are safe and durable for fish.

★ STURDY AND DURABLE - The lining board can withstand various weather and flood conditions as a permanent pond lining, so you can avoid the hassle of regularly replacing the integral part of the pond.

POND LINER SKIN - Our durable pond liner has a size of 20'x 30' and a thickness of 20 Mil. It is easy to install, requires no tools and is flexibly suitable for various creative designs.

STABLE AND SAFE MATERIALS - High pressure polyethylene (LDPE) is durable material which is odorless, non-toxic. It has good softness, extensibility and good chemical stability. All the characteristics mentioned above ensure the safety of the fish pond liner, which will not cause pollution to water, air, land, etc., and ensure the safety of animals and plants

WIDE APPLICATIONS - Streams fountains, water features, fish ponds, waterfall and water gardens and more. Campus, park, garden, residential garden, community greening, square waterscape, building interior landscape and so on. Basically, you can use it for any water landscape you want to do. You'll be surprised at its performance.

Pond Liner made from HDPE material provides superior durability while maintaining the ability to stretch.

Easy installation, no tools required. Easy maintenance, lasting beauty. Environmentally friendly.

Fish and Plant Friendly, Flexible Material Conforms to Shapes and Contours.