Home > Pond Liners & Geo Combos

Which Liner is Right for You?

Combos include Underlayment that protects your liner and extends the warranty


45 mil EPDM

45 mil EPDM Liner Flexability
Durability
Warranty
Price
Make It a Combo

60 mil EPDM

60 mil Pond Liner Flexability
Durability
Warranty
Price
Make It a Combo

20 mil PVC

20 mil PVC Liner Flexability
Durability
Warranty
Price
Make It a Combo

20 mil LLDPE

20 mil Poly
Flexability
Durability
Warranty
Price
Make It a Combo

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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Liner Seaming & Repair

A rip or tear in a liner does not mean you have to buy an entirely new piece or roll of liner. Instead choose from one of our many Pond Liner Repair products. We have kits that come with everything you need to seam or repair your liner, as well as individual products that can help if you already have some of the parts that are included in kits.


"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


For example: 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' = 20' Liner Length
7' + (2 x 3') + 2' = 15' Liner Width


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