The Polyfelt Pond Liner Underlay is a robust geotextile fabric designed to protect pond liners such as EPDM, PVC, or Butyl from punctures caused by sharp objects like roots, stones, and debris. This durable underlay cushions and safeguards liners, significantly extending their lifespan and maintaining the waterproof integrity of your pond or water feature.
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The Polyfelt Pond Liner Underlay (Custom Cut) is a high-quality geotextile fabric designed to protect pond liners such as EPDM, PVC, and Butyl. By providing a durable cushioning layer, it prevents punctures and tears caused by sharp objects like roots, stones, and debris, significantly extending the lifespan of your pond liner.
Made from robust, permeable polypropylene fibres, this underlay not only protects the liner but also aids drainage, prevents soil movement, and provides a stable, long-lasting base for pond installation. Lightweight and easy to cut, the custom-cut format allows you to order precise lengths from 2 metres up to 20 metres, ideal for garden ponds, natural swimming pools, water features, wildlife ponds, and landscaping projects.
Features & Benefits
Protects pond liners from punctures, tears, and sharp objects
Permeable geotextile fabric aids drainage and stabilises soil
Lightweight, flexible, and easy to handle and cut to size
Durable polypropylene fibres ensure long-lasting protection
Suitable for EPDM, PVC, and Butyl pond liners
Extends the lifespan of your pond liner and reduces maintenance
Applications
Cushioning underlay for EPDM, PVC, and Butyl pond liners
Base layer for garden ponds, natural swimming pools, and water features
Protection layer in landscaping and water retention projects
Wildlife pond and habitat creation installations
Sizes Available
Custom Cut: 2m width, ordered per linear metre up to 20m (minimum 2m)
Large roll: 2m x 135m (270 sqm) available for bigger projects upon request
Why Choose Polyfelt Pond Liner Underlay?
Using Polyfelt geotextile underlay is a crucial step in pond liner installation. It cushions your liner, protects it from punctures and damage, improves durability, reduces maintenance, and ensures the integrity of your pond’s waterproofing system. The custom cut option gives you flexibility to fit any pond size precisely, without waste.
Material | Polypropylene geotextile
Weight | 200–300gsm (varies by version)
Permeability | Allows water drainage while preventing soil movement
Durability | Rot, mildew, and UV resistant
Application | Under EPDM, PVC, or Butyl pond liners
Size | Custom cut 2m width, 2–100m length