Dam information

What width x length (m) liner do you need? Use Figure 1 (Dams) or Figure 2 (Ponds) to determine the exact lengths.

Do you want to add an underlay for $3.99/m2? In 90% of cases we recommend you do to protect your liner from rocks and sharp objects.

—Please choose an option—YesNo, I understand the risks

What is the address of your dam?*

Personal Information

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What best describes your delivery address?*

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Figure 1 (Dams)

👆Calculating your liner size for a dam

Dig the hole for your dam first. Then, like Figure 1, lay string or a tape measure down on the ground to get accurate measurements of the width and length. Be sure to measure the longest and widest sections of the excavation and include 0.5-1m of overhang on all sides. This overhang will be secured in place by a perimeter anchor trench.

👇 Calculating your liner size for a pond

To calculate the length and width of liner for a pond, follow the diagram below. It shows how to take overhang and the vertical runs into consideration.

Figure 2 (Ponds)

Example

If you had a pond 1m deep, 4.7m long and 3.2m wide.