Swell HDPE Pond Liner Lifetime Guarantee With Free Underlay

A brilliant pond liner choice for both experts and amateurs

97 % of 100
At a glance...
  • 0.35mm thick black pond liner with lifetime guarantee
  • Made from high-density polythene (HDPE)
  • Wide range of sizes available to suit any size pond
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Palletised delivery

Large sizes may be delivered on a pallet for protection in transit.

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An excellent liner with underlay at a competitive price, delivered quickly.
97 % of 100

What is the Swell HDPE Pond Liner Lifetime Guarantee With Free Underlay?

The Swell HDPE Pond Liner Lifetime Guarantee is Swell UK's most popular pond liner paired with an underlay of the same size to protect your water garden from draining. It's made from 0.35mm-thick HDPE with a UV-resistant coating. The liner is supple as well, making it much easier to set up than other liners. We sell this liner with a lifetime guarantee against UV damage so you can rest easy in the knowledge that it will stand the test of time.

Is this pond liner easy to install?

Yes, UV-resistant HDPE pond liners are very supple, making installation pretty straightforward.

What size pond liner should I buy?

You can use our Pond Liner Calculator to find the correct length and width of liner for your pond. We'll also match the size of your liner with an appropriate underlay, so there's no need to worry about the size of your pond liner underlay.

What does the guarantee cover?

This Swell Pond Liner carries a lifetime guarantee. As with every pond liner sold in the UK, the guarantee covers UV damage only, not punctures.

Do I need to buy anything else with this liner?

We recommend always investing in a pond liner repair kit to ensure quick repairs and avoid draining. 

Material HDPE
Thickness 0.35mm
Colour Black
Liner suppleness Very
Liner stretchiness No stretch
UV resistant Yes
Guarantee Lifetime
Underlay included Yes
Underlay type Standard
Underlay colour Black
Pond sizes Small-large
Koi window compatibility Not suitable
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