Underlay off the roll, sold by the linear metre (2 metres wide). EG: If you order 10 linears metres you will receive 10 x 2 metres (20 square metres)

Heavy Duty Underlay for Pond Liners 250-260gsm

Buy high quality Pond Liner underlay, all sourced from leading European manufacturers and are superior non-woven, mechanically bonded, needle-punched, polypropylene geotextiles.
Geotextile underlays offer exceptionally high performance and provide a highly effective protective barrier between substrate and liner. 

 Protective Matting is produced from a strong non woven man made fibre, which is rot resistant and ensures maximum protection for your liner from stones, rocks, root penetration, or sand erosion, beneath the liner.

• White, PET synthetic fibre material
• Reliably protects pond liner against rocks and root penetration (excl.bamboo)