Koi Pond Liner HDPE 13x20FT – Waterproof Fish & Water Garden

Koi Pond Liner HDPE 13×20FT – Waterproof Outdoor Fish Pond & Water Garden Liner

Build a safe, long-lasting water feature with this premium 13×20FT HDPE koi pond liner. Engineered from high-quality, plasticizer-free HDPE, it creates a fully waterproof and leak-proof environment for koi, fish, and aquatic plants — delivering reliable performance through every season.

Pro Tip: Lay a layer of old carpet or sand beneath the liner before installation to protect against sharp stones and extend the liner’s lifespan.

Key Features

• Fish & Plant Safe HDPE: Plasticizer-free material creates a non-toxic, secure habitat for koi, goldfish, and aquatic vegetation
• Fully Waterproof & Leak-Proof: Effectively retains water while keeping soil and debris out of your pond
• High Puncture & Tear Resistance: Prevents deformation and cracking under high-impact water pressure
• Flexible & Easy to Cut: Soft, pliable black liner bends and folds freely in corners — easy to trim to any pond shape without special tools
• UV, Heat & Cold Resistant: Withstands harsh summer and winter conditions, UV exposure, and corrosion for long-term outdoor durability
• Wide Application: Ideal for koi ponds, fish ponds, garden fountains, backyard waterfalls, cisterns, planter boxes, roof coverings, and tarps

Specifications

Use Scenarios

• Koi & Fish Ponds: Create a spacious, safe pond environment for koi and other aquatic life with the generous 13×20FT size
• Garden Water Features: Line garden fountains, streams, and decorative water features with a reliable waterproof barrier
• Backyard Waterfalls: Build natural-looking waterfall channels with long-lasting leak protection
• Raised Planter Boxes: Use as a moisture barrier in raised garden beds to retain water and protect structures
• Cisterns & Water Storage: Suitable for rainwater collection and water storage applications
• Roof Coverings & Tarps: Versatile enough for general waterproofing and protective covering needs