4m x 4m Black Pond Liner, L-Grade 200 GSM

Our L-Grade 200 gsm liner in the 4 m × 4 m (≈ 13 ft 1 in × 13 ft 1 in) format is perfect for square or circular ponds, raised planters with water features or backyard water installations. Its black UV-stable surface blends naturally with landscaping, and the grey underside remains concealed.

With superior tear and puncture resistance, this liner adapts to terraces, shelves and biotope zones seamlessly. UV and chemical stability deliver a secure, long-lasting barrier against leaks and wear. (Underlay sold separately.)

• Material: UV-stable, high-strength polyethylene
• Weight: 200 gsm
• Size: 4 m × 4 m (≈ 13 ft 1 in × 13 ft 1 in) cut size
• Colour: Black top, grey underside
• Durability: Tear-, puncture- and abrasion-resistant
• Installation: Flexible for seamless coverage; underlay recommended
• Tolerance: ± 5% cut-size variance