We recommend using underlay beneath all pond liner applications. It provides an extra layer of protection for your pond liner to help it last longer and defend it from root intrusion and other potential sharp objects. It is a completely synthetic material, which means it won't break down unlike old carpet or carpet underlays.
- Provides an extra layer of protection and insurance for your pond liner
- Recommended for use with any EPDM or PVC liners
- Synthetic so it won't break down over years in the ground
- Lightweight and affordable\
- Comes in 5 x 2m pieces
For help calculating your required piece, refer to our Pond Liner Calculator