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0.35mm HDPE Pond Liner & Underlay Options - 40yr Guarantee (2x2m - 9x12m)

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Original price £8.54 - Original price £258.68
Original price
£8.54
£8.54 - £258.68
Current price £8.54
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Finest-Filters Heavy Duty 0.35mm HDPE Pond Liner & Underlay Bundle Option

Build a lasting water feature with Finest-Filters high-density polyethylene (HDPE) pond liners. Designed to outperform conventional PVC liners in durability, flexibility, and environmental safety, our 0.35mm waterproof sheets create an impermeable barrier for your pond. Backed by an industry-leading 40-Year Guarantee, this liner provides long-term protection against harsh weather and UV degradation.

Key Features:

  • 40-Year Guarantee: Built with premium UV-stabilised HDPE to prevent cracking, splitting, and rotting over decades of exposure.
  • 100% Fish & Wildlife Safe: Completely non-toxic and chemical-free, ensuring a safe environment for Koi, aquatic plants, and garden wildlife.
  • Tear & Puncture Resistant: Exceptional tensile strength while remaining supple and flexible to fit corners, shelves, and contours easily.
  • Protective Underlay Options: Choose the standalone liner or upgrade to our bundle featuring commercial-grade geotextile underlay for extra stone and root protection.

How to Calculate Required Size:

Length Required: Max Pond Length + (2 x Max Depth) + 1m Overlap
Width Required: Max Pond Width + (2 x Max Depth) + 1m Overlap

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