54 m² Pond liner underlay 300 g Protective fleece for

General description This 54 m² pond liner underlay is designed to provide optimal protection for your pond liner. It serves as a crucial barrier against damage from the ground, such as rocky substrates, burrowing animals, and root growth from trees and shrubs. For enhanced safety, it is recommended to use the fleece both beneath and above the pond liner to prevent potential damage caused by swimming activities or high water pressure acting on sharp stones submerged in the water. Technical specifications Material: Polypropylene (PP) and Polyester (PES) fibers Weight: 300 g/m² Thickness: 3.5 mm Roll width: 2 m Puncture resistance: 1600 N Color: Grey Manufactured in Germany Geotextile robustness class: GRK 3 Rot-resistant and mechanically stabilized Metal and needle-detectable Diffusion open