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5 metre x 4.5 metre Flexiliner Pond Liners

Our bestselling 3-ply pondliners available in 36 different sizes and are guaranteed for up to 35 years.

Average Rating

Feefo Star Rating(5/5)
8 customer reviews
Pond liner length
Pond liner width
To Fit pond (with 1m depth) - width
To Fit pond (with 1m depth) - length
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


25 year guarantee


40 year guarantee

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


Best quality


For ponds with a 5 metre x 4.5 metre pondliner:

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FeeFo Feedback

Flexiliner Pond Liner reviews

Feedback for Flexiliner Pond Liners has been compiled from 8 customer reviews

Date Product Score Customer Comment

15yr pondliner 5x4.5


Fairly easy to use/fit....but a first timer.... will see how it transpires... 3 days in and no leaks or problems as yet!

15yr pondliner 5x4.5


Brilliant service reasonably good prices

15yr pondliner 5x4.5

  • Customer also bought: .... :
  • PondXpert Pond Net System - Sludge Net (PXNETHEADSLU)
  • PondXpert Pond Net System - Small Fixed Pole 1.2m PXONETPOLE12

Bought a standard 15 year guarantee pond liner. It was light enough to manipulate to the pond shape yet strong enough to deal with the terrain. Not sure how it will last in years to come but does the job I wanted it to do for now.

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