Flexiliner 6m x 4m 40yr Plus Underlay
Product Code: FL060X040-40F
£48.00
Was £114.96
RRP: £229.92 | Save £181.92 (79%)
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About the Flexiliner 6m x 4m 40yr Plus Underlay
Manufacturer: PondXpert
This bestselling pond liner is guaranteed for 40 years and comes with free underlay worth £43.20.
PondXpert Flexiliner is our biggest selling brand of pond liner. This pre-cut liner measures 6m x 4m (19'8" x 13'). Big enough to create a beautiful pond in your garden. The final shape and size of pond created is up to the builder but as a guide this size of liner could create a pond sized 3m x 1m x 1m LxWxD (10' x 10' x 3'3").
Flexiliner 6m x 4m 40yr Plus Underlay Features
Flexible pond liner sized 6x4m
Black colour both sides
40 year guarantee
Proven design tested in over 100,000 ponds
Free matching size pond liner underlay
Reviews for Flexiliner 6m x 4m 40yr Plus Underlay
22nd August 2026
Very good product.
21st August 2026
Got exactly what i ordered , delivered quickly and in perfect condition , already in the pond . will recommend this company for speed of delivery and quality
22nd May 2026
Have used before and good quality product , only slight issue with this order the liner had a glue spot where the label was attached inside packaging. This left a small whole , luckily I was able to repair successfully. All in all great value and quality
1st April 2026
great quality and fantastic delivery time kept upto date
6th March 2026
All good nice thick underlay all fitted lovely
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