Collection: Liner And Underlay

🛠️ Pond Liner & Underlay Collection

Build It Once. Build It Right.

Explore our trusted range of EPDM pond liners and protective underlays, carefully selected to give you the strongest start to your pond project. Whether you’re building a wildlife haven, fish pond, or a decorative water garden, these essential materials form the foundation for long-term success.

✅ Why Choose Our Liner & Underlay?

• Flexible & Durable: Our EPDM rubber liners are UV-stable, fish-safe, and made to last over 20 years.

• Protection That Matters: Our underlay matting protects your liner from sharp stones, roots, and ground movement—no more worrying about hidden tears.

• Used by Professionals: I trust these materials in every professional installation, and they have been tested across hundreds of UK gardens.

🧮 Not Sure What You Need?

Use our Liner Size Calculator and Underlay Guide below, or contact our expert Pond Advisors for tailored help.

🧰 Need Help Installing?

We offer complete installation and nationwide delivery using "the Pond Advisor network," or you can follow our step-by-step YouTube video guides for a DIY-friendly process.

📦 What's in this collection?

• EPDM Pond Liners – Long-lasting, flexible, fish-safe.

• Pond Underlay Rolls & Sheets – Protective matting for all ground types.

• Bundle Options – Liner + underlay kits for common pond sizes.

• Accessories & Repair Patches – Just in case!

📍 Every pond deserves the proper foundation. Start strong—with materials trusted by experts.

How We Finish the Edges of Our Pond Liners

🔗 Watch the 30-second demo here

Neat edges make a big difference.
In this quick video, I demonstrate a simple way to fold and finish your pond liner at the edges, using the correct techniques to help you create a natural, safe, and clean look.
👉 This method works beautifully with flexible EPDM liner and ensures no exposed edges over time.

Still unsure? Please read our complete guide on choosing the right pond liner.