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Which Liner is Right for You?


45 mil EPDM

Professionals recommend 45 Mil EPDM for koi ponds water gardens and Pond Free waterfalls
45 mil EPDM Liner Flexibility
Durability
Warranty
Residential & Commercial
Pricing
Liner specs

60 mil EPDM

Contractors choice when placing heavy boulders, expected wildlife use, and high profile jobs
60 mil Pond Liner Flexibility
Durability
Warranty
Commercial
Pricing
60 mil Specs

LLDPE & HDPE

Largest factory seamed Sizes available up to 250' x 250' used for retention ponds and containment liners
Flexibility
Durability
Warranty
Comercial
Pricing
LLDPE HDPE Specs

Extend Pond Liner Warranty Add underlayment to your liner

The biggest contributors to pond liners failing are poor, unstable soil conditions and rips and tears from rocks and boulders. Shifting soil creates pockets and voids under your pond liner, forcing it to stretch under the weight of the water. Rocks and boulders placed on and around your water feature create aesthetically pleasing visual focal points. They can also penetrate, tear and harm your liner.

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"What Size Liner Do I Need?"

The formula for sizing a pond liner is simple.

Pond Length + (2 Times Depth) + 2' = Liner Length
Pond Width + (2 Times Depth) + 2' = Liner Width


So...if you want a finished pond 12' long and 7' wide and 3' deep then the liner size you need is:

12' + (2 x 3') + 2' Long
7' + (2 x 3') + 2' = 15' Wide


This basic formula will work for all pond shapes.

"How Many Gallons is My Pond?"

The formula for determining the number of gallons of water in a pond is also simple.

For Square and Rectangular Ponds
Length times Width times Depth times 7.5 = Gals

For Round Ponds:
Radius times Radius times 3.14 times 7.485 = Gals

The gallons in our sample pond (left) is:

112 x 7 x 2 x 7.485 = 1,260 Gals