Different Types of Pond Liners and Their Uses

The first question that arises is what is a Pond Liner?

Pond Liner is an impenetrable, water-repellent geomembrane used to retain liquids. It is used as a lining of reservoir, retention basins, hazardous and nonhazardous confinements, ponds or garden ponds, artificial streams.


pond liners usage


Now let’s talk about the uses and advantages of a pond liner:

Pond liners provide security and protection for the pond. It fits the uneven pond surface very well and it is weathering and frost resistant. It is compatible for fish and plants because they are environmentally neutral.

Now, coming to the types and usage of different pond liners:

Seven different types of pond liners are available, and each serves different purposes, and they also vary in material, thickness and flexibility.

  1. HDPE (high density polyethylene)

This is made of high-density polyethylene and is very strong and stiff. Suitable for large ponds. Resistant to lengthwise tears and can resist a wide range of chemicals. Used mainly in chemical contaminants, landfills, and also used in ponds since it is suitable for fish and aquatic plants.

  1. LLDPE (low density polyethylene)

It is made from the same plastic as HDPE, but the density is low. It is weldable and suitable for fish and functions well in typical pond temperature. It is more flexible, soft and pliable.

  1. RPE (reinforced polyethylene)

It is one of the most durable pond liners and this geomembrane is weldable, fish safe and resistant to uv rays and chemicals.

  1. FPP (flexible propylene)

This liner made of fpp can take a lot of strain and is pliable even at -50°c. Fpp liners are fish safe, moderately priced and have a lifespan of 30 years.

  1. PVC (polyvinyl chloride)

PVC liners are exceptionally flexible and can very easily fit the uneven coarse surface of the pond bed. It can be folded without the risk of cracking it.

  1. EPDM (ethylene propylene diene monomer)

EPDM is a synthetic rubber and a very popular geomembrane. This pond liner is soft and durable and can endure extreme temperature. It can also resist puncture and UV rays. It is nontoxic to fish and has a lifespan of 27 years.

  1. Butyl 

Butyl geomembranes are similar to EPDM and are nontoxic to fish and they function well in both cold and hot temperatures. It cannot be welded so it has to be seamed with adhesive.


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