200gsm Black & Grey Flexible Garden Pond Liners

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Our L-Grade 200 gsm pond liner is available in sizes ranging from 1 m × 1 m up to 10 m × 10 m, making it suitable for everything from compact birdbaths and container water gardens to expansive estate ponds and natural swimming pools. Crafted from UV-stable, high-strength polyethylene, the sleek black surface enhances water clarity while the grey underside remains discreetly hidden beneath the waterline. At 200 gsm, this liner delivers exceptional tear, puncture and abrasion resistance across its entire range. Its pliable construction allows seamless coverage of curves, planting shelves and depth variations, and built-in UV and chemical stability ensure a long-lasting, leak-free installation in any climate. Underlay is necessary to protect the liner and maximise its lifespan (sold separately). Size range: 1 m × 1 m to 10 m × 10 m Material: UV-stable, high-strength polyethylene Weight: 200 gsm Performance: Tear-, puncture- and abrasion-resistant; UV and chemical stable Installation: Flexible for custom shapes; underlay necessary Tolerance: ± 5 % cut-size variance Show more