Guides

Pond liner guides

Practical guides to choosing a liner, working out what size you need, fitting it and finishing the edge. Written in the order you will actually need them.

Before you dig

Both of these are awkward to change once the hole is open.

Best pond liner material

EPDM, butyl, PVC, HDPE, preformed and clay compared on published thickness and guarantee rather than marketing claims.

Pond liner size calculator

Work out the sheet size from your length, width and depth, with a size chart for common garden ponds.

Building it

The order of the stages matters more than any single one of them.

How to build a pond with a liner

Stage by stage from marking out and checking levels through digging shelves, underlay, fitting the liner and filling.

Finishing it

The stage most people rush, and the one that decides whether it looks homemade.

How to hide pond liner edges

Six ways to finish the rim, how to do it without rocks, and the wicking mistake that quietly drains a pond.