Attaching the pond liner to the edge can be quite tricky in some cases - depending on the nature of the shore area of the garden pond. You can read in our article how to do it correctly, what you have to pay attention to and which fastenings you need.
Pond liners are always attached to the upper edge of the soil
capillary barrier
Every pond needs a so-called at its edge capillary barrier. It is intended to prevent water loss through capillary action.
If the surrounding soil were in contact with the bottom area of the pond, the capillary action of the soil would practically suck the water out of the pond. The pond liner prevents this inside the pond, but both layers meet at the edge of the pond.
For this reason, the pond liner must always led to the upper edge of the ground and fastened there will. Otherwise, the capillary action of the soil would pull the water out of the top of the pond. A sign that something like this is happening are usually swampy areas around the pond. To prevent the liner from slipping down, the pond liner must be attached to the edge.
shore mats
Bank mats can be used to conceal the raised pond liner. These are mats made of fiber and many pores. They allow a good hold for riparian plants.
Depending on how the pond bank is designed, you lay the bank mat:
1. In the case of a so-called shore terrace, 10 cm below the water surface, the shore mat is placed there and pulled over the pond liner over the edge of the embankment. While the pond liner extends into the ditch and is attached to its end, the embankment mat already ends in the edge of the ditch leading downwards.
2. In the case of steep pond banks without a bank terrace, the bank mat is pulled up over the steep bank and attached to the upper edge of the pond together with the pond liner. The pond liner is then continued and attached separately (preferably clamped between two stones or two squared timbers)
The pond liner must be pulled all the way up and fixed on a side wall on the shore. This is the case, for example, with:
- palisade walls
- stone walls
- Walls made of wooden poles
If such walls form a bank boundary, you can also screw a strip onto the wall under which the pond liner is attached. It is then folded over the bar again from above. The embankment mat is then laid over it and laminates both the foil and the strip.
tips
Pay enough attention to border design - it is extremely important. If you plan your pond yourself, it is best to discuss your planned edge design with a specialist in order to avoid problems later.