The Swell HDPE Pond Liner is a best-selling choice for wildlife ponds, Koi ponds, and large garden...The Swell HDPE Pond Liner is a best-selling choice for wildlife ponds, Koi ponds, and large garden water features. Made from durable 0.35mm HDPE (High-Density Polyethylene), it's UV-resistant, flexible, and built to last – now with a 40-year guarantee and free heavy-duty protective underlay included for added puncture resistance. Whether you're building a small garden pond or a large ornamental feature, this easy-to-install liner provides a long-lasting, watertight seal. The included underlay protects against sharp stones and roots, helping to prevent leaks and extend liner life. Available in over 20 sizes – from 2.5x2.5m to 30x40m – simply choose the right size using a Pond Liner Calculator and we’ll match the correct underlay for you.
This guide is designed for anyone planning to build a pond, whether for wildlife, Koi, or ornamental purposes. The S'well HDPE Pond Liner provides a durable, watertight solution with a 40-year guarantee and includes a protective underlay. Keep in mind that proper pond size calculation and careful installation are crucial for optimal performance.
All features
Brand
Swell
Extended Product Information
FAQs
What is the warranty period for the S'well Pond Liner?
The S'well Pond Liner comes with a 40-year guarantee.
What is the material used in the S'well Pond Liner?
The liner is made from 0.35mm HDPE (High-Density Polyethylene).
Is the included underlay necessary?
Yes, the underlay is essential for protecting the liner from punctures by sharp objects and roots.
Can I cut the liner to fit my pond shape?
It is not recommended to cut the liner. Measure carefully and select the closest size available. If necessary, consider professional pond design.
How do I choose the correct size of pond liner?
Use a Pond Liner Calculator to determine the right size based on your pond's dimensions.
What should I do if the liner is punctured?
Use a pond liner repair kit to patch any punctures or tears immediately.
How do I clean my pond liner?
Use a soft brush and pond-safe cleaning products. Avoid using harsh chemicals.
Troubleshooting
Pond is losing water.
Inspect the liner for punctures or tears. Check seams and edges for any potential leaks. Repair any damage with a pond liner repair kit.
Wrinkles in the liner.
Smooth out wrinkles by repositioning the liner. Ensure the underlay is correctly placed beneath the liner to prevent future wrinkles.
Liner appears to be shrinking.
HDPE liners can shrink or expand slightly. Ensure you've allowed adequate material at the edges. Check that the liner isn't being pulled taut by the pond's design.
Pros and Cons
Pros
Durable HDPE material ensures longevity.
Comes with a protective underlay to prevent punctures.
UV resistance protects against sun damage.
Backed by a 40-year guarantee for long-term confidence.
Flexible and adaptable to various pond designs.
Available in a wide range of sizes to suit diverse needs.
Cons
Requires careful measurement and sizing to ensure the correct fit.
Installation requires physical effort.
HDPE can be susceptible to damage if not installed carefully.
Setup, Compatibility & Care
Preparation:
Clear the pond area of any sharp objects like rocks, roots, or debris.
Excavate the pond to the desired depth and shape.
Liner Installation:
Unfold the included underlay and place it in the excavated area, ensuring full coverage of the pond's base and sides.
Carefully position the S'well Pond Liner over the underlay. Allow for extra material to accommodate the pond's contours.
Gently smooth out any wrinkles, ensuring the liner is lying flat.
Secure the edges of the liner by burying them or using pond edging.
Filling and Care:
Slowly fill the pond with water, allowing the liner to settle.
Inspect the liner for any potential leaks.
Regularly remove any debris, leaves, or objects that could damage the liner. Use pond-safe cleaning products if required.