Category 05 · Pond liners
Pond liners are waterproof flexible membranes used to contain pond water during construction. Common materials include EPDM rubber (long lifespan, flexible), RPE (reinforced polyethylene, lightweight and puncture-resistant), and PVC (lower cost, shorter service life). Manufacturer specifications typically include membrane thickness in mils, UV rating, and fish-safe certification.
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Flexible pond liners are supplied in rolls cut to order or in standard sheet sizes. Underlayment is a separate product.
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