Pond Liner Frequently Asked Questions

Below are common questions asked about pond liners. If you don't find your answer here, please feel free to contact us with your questions, we are only too happy to answer.

Domestic Pond Liners

Common questions people have asked about pond liners for use at home.

Are pond liners rot resistant?

Yes, but typically not mildew or algae resistant, otherwise this would affect the aquatic life.

Can I just use a swimming pool liner or tank liner instead?

No it is not recommended, as although similar, pond liners are designed to be non-toxic for aquatic life forms. Swimming pool liners typically contain anti-fungal chemicals that would be detrimental for fish and other aquatic life forms. Tank liners are also treated so they can be used for potable water and often do not have high UV resistance.

Can I patch or repair my liner?

Yes, for most materials repair kits are available. Please contact us if you need assistance.

How do I look after my pond liner?

Pond liners are made to be as durable as possible, but there are a few common sense guidelines that you should follow:

  1. expose as little as possible to direct sunlight
  2. do not allow animals to move over the liner
  3. when building up you pond, do not drag rocks and anything else over the pond liner that can tear the material.
  4. make sure when preparing the pond liner that all sharp sticks and rocks are cleared from the soil before laying down the pond liner
How long should I expect my liner to last?

Typically 10 to 30 yrs depending the type and thickness of material chosen.

What colours are available?

There are various colours are available depending upon material selected, but most commonly supplied in black.

What is the difference between a ground sheet or tarpaulin and a pond liner?

Pond liners are made to be immersed in water for long periods of time and hence will not rot or mildew. Builders plastic and cheap tarpaulins are not guaranteed to be pin hole free and therefore will leak. In addition they have very low UV weathering resistance and will fail in a short period of time when exposed to sunlight.

Which liner is the best to use for my pond?

Pond liners can be made from a range of materials, including EPDM, PVC and LLDPE to name a few. Each has its own advantages and disadvantages, so before you choose a liner material type, there are a number of things you should consider to get the best life expectancy and usage. They are:

  1. How long do you intend the pond to last.
  2. The temperature range of where the liner will be installed.
  3. The shape of the pond (are there gradual changes or deep corners etc).
  4. Will the liner have to be cut around pipe fittings.
  5. What are the soil conditions like, is it rough or are there lots of roots, in some cases an geotextile under may also be needed.
  6. What will the sun exposure be (especially important for aquatic life).

So When you are enquiring about a pond liner, makes sure to ask questions!

If you have any further questions, please don't hesitate to contact us:

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