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20 metre x 18 metre Flexiliner Pond Liners

Our best-selling 3-ply pond liners are available in a huge range of sizes. Guaranteed for up to 40 years.

Pond Liner Length
20m
Pond Liner Width
18m
Choose a guarantee

Our flexiliner pondliners are guaranteed for either 15, 25 or 40 years.

Choose which guarantee pondliner you want below:

15 year guarantee
£716.40
25 year guarantee
£896.40
40 year guarantee
£1,076.40
40 year guarantee + 1/2 Price Fleece
£1,580.40
Have you chosen an underlay?

Buy a pondliner with a 40 year guarantee and get half price underlay. We have the following underlay products to match this pond liner:

Basic Quality
£648.00
Best Quality
£1,008.00