Best Rubber Pond Liners in 2026

45 Mil EPDM Fish Safe Liner with a 20 Year Limited Manufacturers Warranty.

This Top Grade Tear and Puncture Resistant 45 mil EPDM liner is perfect for adding a stream or for lining your waterfall.

Never settle for PVC or anything less than 45 mil EPDM PondGard Liner.

45-Mil EPDM Rubber Pond liner with UnderGuard Underlayment has a Limited Lifetime Warranty

Durable, puncture resistant, extremely versatile for use in waterfall features, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries.

Does not contain plasticizers, which become brittle and cause cracks or splits.

20 Year Limited Manufacturers Warranty

45 Mil (1.14 mm) (0.045") EPDM

75 Year Life Expectancy

20 Year Limited Manufacturers Warranty

45 Mil (1.14 mm) (0.045") EPDM

75 Year Lift Expectancy

45 mil thickness provides superior durability while maintaining the ability to stretch

Exceptional resistance to solar UV, ozone, and oxidation

Great for use in ponds, Pondless Waterfalls, and other water features; safe for fish and plants

Country Of Origin: Macedonia, The Former Yugoslav Republic Of

The Package Height Of The Products Is 10.899999988882" Inches

The Package Length Of The Products Is 14.299999985414" Inches

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.

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

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

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 4' x 7' 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

🌟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.

LLDPE Material: The pond liner is made of LLDPE material, pro-environmentally, sunlight-proof, weather-proof. It can restrain the penetration of harmful substances into the pond and give your fish and plants a secure living environment.

20 Mil Thickness: This small pond liner is strong enough to withstand extreme weather conditions, more durable, tear-proof, and puncture-proof. In addition, good waterproof performance can effectively retain the water in your pond.

Flexible & Pliable: The fish pond liner has good flexibility, easy to bend and fold. You can cut it in various shapes to fit all irregular surfaces(e.g., waterfalls). For better flexibility, you are recommended to lay the liner under the sun for 10 to 15 min before use.

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.

【Sturdy and firm】: Our pond liner are made of high quality HDPE,tough, can withstand a certain degree of stretching, 20 mil thickness, not easy to be punctured.

【Applicable scenes】: Pond liners for outdoor ponds can be used for courtyard waterfalls, fish/koi ponds, water features, water garden, fountains, and other landscape ponds.It can also be used to cover campers, chicken coops, decorate your turtle pond and irrigate planters, and more.

【Size】: 10' x 13' for medium-sized ponds, can be easily divided into the size you want. The 10'x13' pond liner is suitable for small to medium sized ponds, and in most cases will cover 1 10'x13' pond.you can also make it fit other sizes by cutting it.

✅ 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.

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.

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.

Quality Materials: HDPE pond liners are the most heavy-duty and long-lasting option, made of a thick, high-density plastic material that is resistant to punctures and tears. HDPE liners, which are more leak-proof than LDPE liners, are ideal for large ponds or commercial applications where durability is of utmost importance.

Protect Your Pond: Pond liner can reduce the soil accumulation since it creates a plat surface. It can also keep away the harmful substances in the soil from penetrating into the pond to pollute the water, you can clean the pond more easily and effectively.

Durable & Lasting: The thickness of our pond liner is 20mil, which is stronger and more long-lasting, sun-proof and waterproof, can be used for outdoor ponds for a long time to provide a favorable living environment for animals or plants in the pond.

▲High-quality material: Our Pond Liner is composed of 0.2mm thick high-strength HDPE fabric, which can withstand harsh environments, resist ultraviolet rays, sunlight and temperature, and will not break at all.

▲Safety: This smooth surface Pond Liner is safe for your fish and plants. Good flexibility makes it easy to fold and bend to show the contours/contours of pond rocks and waterfalls.

▲Various sizes: It can be cut to the required size, thus avoiding the trouble of regularly replacing the entire pond. It can effectively prevent pollutants in the soil from entering the pond and polluting the water.

Keep Your Fish Secure: By using a pond liner, you can prevent water and soil from seeping out of the pond and contaminating water resources. This will create a better living environment for your fish. Moreover, you can add aquatic plants, rocks, and wildlife to make your pond more attractive.

45 Mil Super Thick: The pond liner is 15' x 20' in size and is designed to be puncture and tear-proof. This means that you don't have to worry about sharp rocks or root growth damaging the liner. Additionally, the liner provides a flat surface and reduces soil buildup, which makes cleaning your pond easier and quicker.

Prevents Aging: Our fish pond liner is made of premium EPDM material. This means that even when exposed to direct sunlight, the liner will not crack, split or deteriorate, allowing it to retain its properties for years to come.

Package Includes: you will get a pond liner, which size is 10 x 10 Ft, 40Mil and holds up to 200 gallons; Especially designed for small ponds, also you can cut to any size you need; Easy installation, no tools required

Guard Your Pond: the pond liner prevent harmful substances in the soil from penetrating into the pond, avoid pollution of water resources, creating a safe and healthy environment for plants; Ideal for your water features, pond pumps, filters, and more with the liner in place

Reliable Material: our black pond liner is made of EPDM material, which has good softness, extensibility, UV and puncture resistant. It can withstand extreme weather conditions, more strong, tear resistant and puncture resistant, can be applied for many years, safe for your fish and plant

【Sturdy and firm】: Our pond liner are made of high quality HDPE,tough, can withstand a certain degree of stretching, 20 mil thickness, not easy to be punctured.

【Size】: The 4' x 7' pond liner is suitable for small to medium sized ponds, and in most cases will cover 1 4' x 7' pond.you can also make it fit other sizes by cutting it.

【Applicable scenes】: Pond liners for outdoor ponds can be used for courtyard waterfalls, fish/koi ponds, water features, water garden, fountains, and other landscape ponds.It can also be used to cover campers, chicken coops, decorate your turtle pond and irrigate planters, and more.

1 HDPE geomorphous film performance -has good anti -ultraviolet performance, can withstand strong sunlight, and also has tear -resistant and puncture, chemical resistance.

2 Anti -aging -Because it uses polymer materials and adds anti -aging agents in the production process, it can be used in a unconventional temperature environment.

3 Low cost and high benefits -the production process is more scientific and fast, so the cost of the product is lower than that of traditional waterproof materials. The 12mils pad material has high flexibility, convenient construction, fast and healthy.

Multiple Process Upgrades — The pond liner's surface inner high strength polyester & high tenacity weave, designed from three-layer material PVC water-proof and nylon-reinforced polyester. It is different from hard HDPE material, we provide superior softness + flexibility while maintaining the ability to stretch, tear, and puncture resistance. Creases are not easy to be penetrated despite freely bending and folding for a long time, you can use them for decades without worry about replacement.

Thickness & Various Sizes — Compared with 20mil liners, this 16mil/0.4mm thickness black pond liner is not only durable but also lightweight. It can resist puncture and UV radiation, preventing materials from aging in the sun. And there are available in 7 size options. i.e. 4' x 7', 7' x 10', 10' x 14', 15' x 20', 20' x 20', 20' x 25', 25' x 30'. You can choose the right size depending on size of your pond, recommended buying a liner larger than the size of pond for easy cutting and storage use.

Superior Protection — Our koi pond liner provides a flat surface for ponds, waterfall boxes, weirs & skimmers, it can reduce soil accumulation and prevent harmful substances in the soil from polluting the water, keeping waterproof without leaking. Meanwhile, knife scraping cloth process is strong enough, neither too stiff and wrinkly nor easily penetrated by sharp rocks or stones, which can offer a good safe living environment for the plants, fish, and other animals in the pond.

* [Durable]: EPDM rubber has a melting point of 110°C-130°C. As a professional grade geomembrane, it offers excellent durability, puncture resistance and reliable quality while maintaining its tensile capacity

* [Product Features]: High temperature resistant, impermeable to water, good UV resistance, withstands strong sunlight and is chemical resistant. Safe and environmentally friendly for your fish and plants, providing a healthy and happy environment for plants and fish to grow

* [Moderate 12Mil thickness]: Our pond liner is made of durable material, 12Mil thick and can be freely bent or folded, the liner can be stretched to the corners to fit almost any pond design.