Flexible Pond Liner Part II

There is another method that is possible but few people recommend it. The use of :-

Polythene

I wouldn't recommend this type of pond liner material as it life span is very short, one or two years. However don't disregard this type of pond liner material as it can be used for pond side plants such as reeds. As this material will crack and split very easily it wont stay watertight for long but for pond side plants the aim is to keep the soil


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constantly damp and therefore it does have a use.

Build your flexible liner pond

Depending upon the quality of your soil it is often useful to keep the top soil separate. You can re-use this to put around the pond once it is built.

Excavate your pound sticking to your pegged out size. The depth around most of the sides should be about 30cm and made into a shelf. This is ideal size for marginal plants that will be planted in pots. Try to leave at least one side quite shallow. To stop it caving in, make a slight angle and compact the sides with a shovel removing any stones or roots. Next dig deeper to about 60 cm if you plan to keep fish. If you plan to keep many large fish you will have to make this area quit large as the fish will spend alot of time here during extreme hot and code spells

Now that the pond is dug and free from any obstacles the next job is to line it to protect it against rips and cuts. There are some specialist products available but you can use old carpet or any thick material. Then line it again with at least 5cm of soft sand. When installing the liner you can line the sides with sand when you begin to fill with water

Now get your liner and unfold it to find its centre. Place the centre roughly in the middle of your pond. Around the edges place several bricks about 30cm back form the edge. You will now be about to start filling the pond with water. During the filling of the pond you can walk around the pond lifting the bricks slightly as the weight of the water "pulls" more liner in. You also need to fold any creases in the liner and try to tuck them in neatly. Also during the filling stage you need to ensure that the sides have adequate sand behind the liner. This can be achieved by stopping the water and pushing sand between the liner and the sides of the pond

Once you pond is full of water and you are happy that the level is correct cut the liner about 15cm all the way around. Tuck this under the top soil or under any decorative stones. This completes the construction and now you should leave the water for about a week or add a water treatment typically described as a pond start.


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