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Get the ULTIMATE foundation for your largest water feature with 400 square feet of professional-grade waterproofing in one box! The Teton 45 mil EPDM Super Liner in the 20' x 20' size is chosen by commercial landscapers and large-scale builders for its proven, decades-long durability. This superior EPDM rubber material offers unmatched elasticity and total resistance to UV damage, freezing, and root penetration. By purchasing this huge liner pre-packaged, you skip the heavy freight of bulk rolls while securing the strongest, fish-safe foundation available for your koi pond, swimming pond, or estate-sized stream.
400 Sq. Ft. of Coverage: Our largest boxed option, perfect for massive water features or ponds up to 14' x 14' (with a 2-foot depth).
Commercial-Grade Strength: 45-mil thickness guarantees a leak-proof barrier built to last 20+ years, even in tropical environments.
Fast Installation: Extremely flexible material molds easily into complex designs, ensuring a smooth, tailored fit.
Get the ULTIMATE foundation for your largest water feature with 400 square feet of professional-grade waterproofing in one box! The Teton 45 mil EPDM Super Liner in the 20' x 20' size is chosen by commercial landscapers and large-scale builders for its proven, decades-long durability. This superior EPDM rubber material offers unmatched elasticity and total resistance to UV damage, freezing, and root penetration. By purchasing this huge liner pre-packaged, you skip the heavy freight of bulk rolls while securing the strongest, fish-safe foundation available for your koi pond, swimming pond, or estate-sized stream.
400 Sq. Ft. of Coverage: Our largest boxed option, perfect for massive water features or ponds up to 14' x 14' (with a 2-foot depth).
Commercial-Grade Strength: 45-mil thickness guarantees a leak-proof barrier built to last 20+ years, even in tropical environments.
Fast Installation: Extremely flexible material molds easily into complex designs, ensuring a smooth, tailored fit.