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Pond liner: EPDM pond liner (rubber liner) or PVC pond liner

Pond liner, the choice between EPDM pond liner or PVC pond liner is an important one, both have advantages but one is the best.

What is the best liner for the pond?

EPDM pond liner is often considered the most recommended choice for creating a pond because of its durability and strength. This type of rubber liner is not only easy to use, but also has a lifespan that is on average three times longer than that of PVC pond liner. This allows you to enjoy it for many years.

Tips, advice and substantial savings

I would like to share my experience with you, and advise you to solve any pond problems and reduce pond maintenance. As a result, you can easily save hundreds of dollars.

All about pond liner

Pond liner is a special plastic film used to create or line a pond. It is made of flexible materials such as PVC, HDPE or EPDM and is available in different sizes and thicknesses. Pond liner is used to create a watertight barrier between the pond and the surrounding soil, keeping water in the pond. It can be used to create different types of ponds, such as natural ponds, mirror ponds, koi ponds and waterfalls. Pond liner is a popular choice for pond builders because of its flexibility and durability. It can be easily adjusted to the desired size and shape of the pond and can withstand various weather conditions. In addition, pond liner is relatively easy to install and will last for years.

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How thick should foil be for the pond?

Both PVC and EPDM pond liner are available in various thicknesses. PVC pond liner ranges from 0.5 to 1.5 mm. For smaller ponds, we recommend a minimum thickness of 0.8 mm. For larger structures, such as swimming ponds, a thickness of 1.5 mm PVC liner is recommended.

What does pond liner cost per m2?

The cost of pond liner can vary greatly based on several factors, such as the liner's material, thickness and brand. PVC pond liner: the cheaper option, can range between €1 and €5 per m². EPDM pond liner: often more expensive because of its superior quality and durability, can range between €5 and €15 per m² (or even more, depending on the brand and thickness).

How do I apply pond liner?

Step 1: Determine pond size

First, determine the desired size and shape of your pond. Then purchase an appropriate amount of pond liner. Rather take too much liner than too little.

Step 2: Digging a hole

Dig out the hole for the pond and make sure the ground is level and firm. Try to make the edges as straight as possible for easier placement of the liner.

Step 3: Apply protection layer

Spread a layer of pond soil over the bottom. This protects the pond liner from sharp objects and roots. In addition, it helps compensate for any unevenness in the soil.

Step 4: Calculate Pond Liner

Carefully place the pond liner in the excavated hole, making sure it covers both the bottom and sides. Leave extra liner overhanging at the edges for proper finishing later.

Step 5: Gluing the pond liner

Glue the pond liner by first thoroughly cleaning and drying the surfaces to be joined, then apply special pond liner adhesive evenly, and press the pieces firmly together until the adhesive is fully cured.

Step 6: Apply substrate and fill pond

First add the pond substrate to the bottom. Then begin slowly filling the pond with water. This will cause the liner to form to the bottom and sides. While filling, distribute the liner evenly to minimize folds and creases.

Step 7: Remove excess film

Cut away the unnecessary part of the liner, but be sure to leave enough liner to finish the edges nicely. Fold the remaining liner over the edges of the pond and place heavy stones on top to hold it in place.

Step 8: Finishing and furnishing

Complete the pond by furnishing it with various aquatic plants and pond bacteria. If necessary, top up the water until the desired level is reached.

What does EPDM pond liner cost per m2?

The average price for EPDM pond liner per square meter is €14.95. This applies specifically to EPDM Rubber Pond Liner with a thickness of 1.0 mm and a width of 4.27 meters. It is important to note that prices for EPDM pond liner can vary depending on the supplier, the quality and the specific characteristics of the liner. It is therefore wise to compare prices and consider what best suits the requirements of your pond project.

EPDM pond liner (Rubber liner)

EPDM, an acronym for Ethylene Propylene diene Monomer, is a synthetic rubber renowned for its outstanding waterproofing and longevity. This material is characterized by its flexibility, resistance to UV radiation and durability against all types of weather. It is particularly suitable for ponds because it is easy to adapt to the specific size and shape you have in mind. In addition, it is safe for both aquatic plants and pond inhabitants. Compared to materials such as PVC, EPDM liner has advantages such as higher durability and resistance to damage.

Features of EPDM pond liner:

Has a lifespan of at least 30 years
Highly elastic and therefore easy to adjust, especially in corners
Resistant to UV radiation and ozone
Provides resistance to plant root growth

PVC Pond Liner

PVC liner is a waterproof liner made of polyvinyl chloride. This liner is flexible, relatively easy to lay and offers a cost-effective alternative to other types of pond liner. Although it is UV-resistant and can be molded to many shapes, PVC has a shorter lifespan compared to EPDM liner.

Characteristics of PVC pond liner:

In need of replacement after about 10 years
May feel a bit stiff during placement, especially at low temperatures
May eventually harden or be damaged by UV radiation and ozone
Without protective underlayment, plant roots can grow through it

What is pond liner made up of?

Pond liner is a special type of plastic liner made from flexible materials such as PVC, HDPE or EPDM. It is designed to make ponds waterproof, preserving water within pond edges. The flexibility and durability of pond liner make it a favorite choice for pond builders, and it can be cut to size to meet specific size and shape requirements.

Benefits of a pond with pond liner

Flexibility in shape and size:

Pond liner is flexible and can be adapted to virtually any pond shape and size. This gives you the freedom to create a pond that fits your garden perfectly.

Better growth of pond plants through pond liner:

Plants generally flourish better in a pond constructed with pond liner compared to a preformed pond container. The flexibility of pond liner allows for greater variety and space for various pond plants. It contributes to a protected environment free of weeds and promotes a healthy water environment, resulting in lush plant growth. In contrast, pre-formed pond liners often offer less flexibility and space, reducing plant growth opportunities.

Sustainability:

High-quality pond liner, such as EPDM, is durable and resistant to abrasion, UV rays and extreme weather conditions, resulting in long pond life.

Why should I choose pond liner for my pond project?

Pond liner is ideal for a range of pond types, including natural ponds, mirror ponds, Koi ponds and waterfalls. Not only does it provide a reliable waterproof barrier, but it is also resistant to various weather conditions, easy to install and lasts for years. Its flexibility makes it easy to adapt to any design.

Pond liner repair

To repair pond liner, start by cleaning the damaged area to remove dirt and algae, and dry the surface completely. Next, cut a piece of repair liner or patch large enough to cover the crack or hole generously, and apply a special pond liner adhesive to both the patch and the damaged area. Press the patch firmly in place, making sure that all edges are properly sealed, and allow the adhesive to cure completely according to the manufacturer's instructions.

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Simon van der Velde

Pond specialist and aquatic plant grower since 1986

My vision is to let nature do its work in your pond. You don't need to buy all kinds of measuring equipment and water improvers. If the fish are swimming nicely and the plants are growing well, you know the water is of good quality. With a good planting plan and the right approach, you can save both money and maintenance and ensure a clear, biologically balanced pond that only gets more beautiful each year.