Polyester Liner Underlay is recommended for all pond liners, a 250gsm underlay made of non woven needle punched polyester, offering high puncture resistance and good flexability.
Makes all pond liners more puncture resistant
Protects pond liners from sharp objects in the soil
Stabilizes ground under the liner to keep EPDM and other pond liners from "over-stretching"
Quick and easy to install.
Resists "settling" unlike newspaper or sand
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BU2525
Butyl Pond Liner 2.5m x 2.5m (8.20 ft x 8.20ft) & Underlay