skip to main content
Summer Sale Special - Quote 'FREEP' for FREE Delivery on 40 Spend or over
Thousands of products in stock
Selling online since 2005
98% Feefo rating

6 metre x 6 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)
11customer 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

hozelock cascade 1500 fountain pump Hozelock Cascade 1500 Fountain Pump
RRP 119.99
Max Flow:
Max Flow One Head:
Max Pond Size:
UV Wattage:
Fountain Height:
Waterfall Width:
FeeFo Feedback

Flexiliner Pond Liner reviews

Feedback for Flexiliner Pond Liners has been compiled from 11 customer reviews

Date Product Score Customer Comment

25yr pondliner 6x6


fate price and fast delivery

15yr pondliner 6x6

  • Customer also bought: .... :
  • Basic Underlay 6x6

As described and easy to fit.

40yr pondliner 6x6

  • Customer also bought: .... :
  • Pond Fleece Underlay 6x6 (1 at half price)

Fairly easy to work with, will see if it outlasts me

Pond Liner 6m x 6m 40 Year Guarantee Plus Underlay


Quality material easy to lay and bought in the sale so good value for money

40yr pondliner 6x6


Very good service and fast delivery. Very pleased with product.

Flexiliner 6x6 40yr - HALF PRICE FLEECE


Good service all round **

Pond Liner 6m x 6m 40 Year Guarantee Plus Underlay


Does the job what more can I say other than good value

Pond Liner 6m x 6m 40 Year Guarantee Plus Underlay

  • Customer also bought: .... :
  • 36w UVC Bulb (Single-Ended BOGOF Deal)

Great product. Very thick and strong. Only little moan I have, is that there were white lines and patches, where the black colouring hadn't covered properly. This will no doubt, turn green over time, like the rest of the liner will.
I would also say, the free underlay, although quite strong, is extremely thin ... more like weed guard for under pebbles/slate. I ended up buying some polyester wadding, to use as underlay instead.

Reviews provided by
Newsletter Signup

Receive internet-exclusive offers, discounts and previews by email.

Tips and Advice from the Blog

Latest Tweet

© Copyright Pondkeeper 2005 - 2020. Pondkeeper is registered in England, Registration no. 5601027. Our VAT number is GB 875 4886 60.

See the site map | privacy policy | terms and conditions.

Website created by Edward Robertson web design with the Responsive Grid System