Installing a Preformed Pond Liner
Installing a preformed pond liner, while a bit more complicated than a
flexible liner, is not that difficult. Because of the lack of
flexibility of pre-formed liners, site preparation is especially
Good Support is a Must
Provide good support for your liner by digging a smooth, debris free
hole. Protrusions or an uneven surface can result in damage to your
Start by placing your liner in position and use stakes or some other
means to transfer the outline onto the ground. For small ponds a
template for this step could be created by using newspapers taped
Now begin digging the hole for your water garden. Make the hole
slightly larger than the liner. Clear any stones or roots from the
opening and compact the base.
Use sifted soil to form a layer on the base of the hole and level
carefully. Compact firmly. Trial fit the pond liner and check for
If not level, remove the liner and add more sifted soil as needed. You
could use small pebbles for this step, but sand should be avoided
because of the potential for erosion.
Backfill With Sifted Soil
Once the liner is level, fill the pond with a few inches of water to
hold it in place. Now use your sifted soil to fill in any gaps around
the edges of the liner.
You can then finish filling the pond and add whichever edging materials
Pre formed pond liners can also be used for raised water gardens. If you
use this option, be sure to purchase a high quality liner and provide
support to the base and sides.
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