General description This 46 m² pond liner underlay is designed to provide optimal protection for your pond liner. It serves as a crucial barrier against potential 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 underneath and above the pond liner to prevent damage caused by swimming activities or high water pressure on sharp stones. Technical specifications Material: Polypropylene (PP) and PES synthetic fibers Weight: 500 g/m² Thickness: 5.0 mm Roll width: 2 m Stab resistance: 2600 N Color: Grey Manufactured in Germany Geotextile robustness class: 4 (GRK 4) Rot-resistant Metal and needle detected Diffusion open Other information High-quality materials used for exceptional products AQUAGART offers a wide range of high-quality products for garden, pond, and landscaping