Heavy Duty HDPE Pond Liner – UV-Resistant | 40-Year Guarantee + Free Underlay | Durable Fish & Wildlife Pond Liner

Create a Leak-Proof, Long-Lasting Pond with Confidence

Our Heavy Duty HDPE Pond Liner is the ultimate solution for reliable pond construction. Made from UV-resistant, 0.35mm high-density polyethylene, this liner is built for strength, weather resistance, and easy installation. Whether you're building a small wildlife haven or a large koi pond, this liner ensures a watertight seal that lasts decades.

Key Features:

40-Year Guarantee – Trusted longevity backed by manufacturer confidence
Free Underlay Included – Extra protection from sharp stones and rough terrain
Durable 0.35mm HDPE – Resists punctures, tearing, and UV degradation
Flexible & Conformable – Moulds easily to pond contours and shapes
Chemical & Temperature Resistant – Maintains integrity in various environments
Low Maintenance – No frequent repairs, cracking, or replacements
Eco-Safe – Fish and plant friendly with no harmful leaching
Applications:

• Wildlife and decorative garden ponds

• Koi ponds and large fish pools

• Water features and fountains

• Reservoirs, lagoons, and water retention projects

Why Choose HDPE Over Other Pond Liners?

Compared to PVC or rubber liners, HDPE provides a far superior lifespan, greater UV resistance, and better durability against shifting soil or water pressure. With the added free underlay, installation is safer, easier, and more resilient from day one.

Available in multiple sizes to suit any pond or water feature – from compact to large-scale designs.
Invest Once. Enjoy for Decades.
Don’t settle for liners that fail after a few seasons. Our 40-Year Guarantee ensures your pond stays sealed, safe, and beautiful year after year.