Professional-grade durability for ponds, waterfalls, and outdoor aquatic systems.

Product Description

Build your pond with confidence using the Infinity Professional 45 Mil EPDM Pond Liner & Underlayment Combo. Designed for long lasting durability, flexibility, and reliable water retention for koi ponds, waterfalls, turtle ponds, and outdoor water gardens.

Constructed from heavy-duty 45 mil EPDM rubber, this fish-safe liner is designed to resist UV exposure, punctures, weather conditions, and long-term outdoor use while remaining flexible enough to contour around rocks, shelves, and custom pond layouts.

This combo kit also includes protective underlayment to help reduce the risk of punctures from rocks, roots, and uneven ground surfaces during installation.

Perfect for koi ponds, backyard water gardens, waterfalls, turtle habitats, and decorative outdoor aquatic systems.

Features

• Heavy-duty 45 mil EPDM rubber construction
• Fish-safe material for koi ponds and aquatic life
• Includes protective underlayment
• UV resistant and weather resistant
• Flexible design for custom pond layouts
• Helps resist punctures and leaks
• Easy to cut and shape during installation
• Great for ponds, waterfalls, fountains, and water gardens
• Designed for long term outdoor durability

Specifications

• Size: 15 ft × 15 ft
• Material: 45 Mil EPDM Rubber
• Color: Black
• Fish Safe: Yes
• UV Resistant: Yes
• Underlayment Included: Yes
• Application: Ponds, waterfalls, water gardens, turtle ponds, fountains

   

  

Why Choose EPDM Pond Liners?

EPDM pond liners are widely preferred for koi ponds and water gardens due to their flexibility, durability, and long lifespan. Unlike thinner liners, 45 mil EPDM material helps provide improved puncture resistance and dependable long term outdoor performance.

The included underlayment adds an additional layer of protection between the liner and the ground surface, helping reduce the risk of punctures from rocks, roots, and uneven terrain.

Perfect For

• Koi ponds
• Water gardens
• Backyard ponds
• Turtle ponds
• Pondless waterfalls
• Outdoor fountains
• Decorative aquatic systems

Why Buy From Infinity & Beyond Aquatics?

At Infinity & Beyond Aquatics we focus on more than just aquarium equipment. We help hobbyists build stable aquatic ecosystems through carefully selected products and real-world experience.

Curated aquatic equipment
Beginner-friendly support
Small business customer service
Hobbyist-owned and operated
Free shipping on qualifying orders over $100

Shipping Disclosure

This item ships from our U.S. supplier warehouse in New Jersey or California depending on inventory availability and fulfillment location.

Due to the size and weight of pond liners, additional handling or transit time may occasionally apply.

Please inspect all packages upon delivery.