Here you have some explanation of how I’ve created my pond.
I’ve started with lining out and setting off the shape.
Then I’ve started with digging and putting the concrete plates against the sides where my edge finishing rests on, i’ve used concrete plates to prevent the sides on collapsing. (see picture 1)
I’ve also buried a 110 mm tube to the ditch and to the lowest point off the pond. (see picture 2)
On the end off the lowest point in the pond you must attach de foil transit and unscrew the top flange.
It’s recommended to flatten out the bottom off the pond a few times to prevent that there are sharp stones or similar stuff who could push trough the foil.
Then I’ve unfold the foil in its entirety and put it over the hole, pushed nice and smooth in de corners off the pond. (see picture 3)
Then I’ve screwed the flange back on the foil transit jar with the foil between it and cut off the inside of the foil. (see picture 4)
Then, I’ve filled up the pond en pulled out the wrinkles, when the pond was full we’ve started with the finishing touché off the borders.
I’ve used concrete border stones off 1,96 inch thick 7,87 inch tall and 39,37 inch long. Who you can shove into each other so that they easily stay where they are.
We've putted the border stones on the concrete plates and let them stick out about 1,18 inch above the pond surface.
The foil’s back pulled over the paving stones and with cement a wide stroke smeared slant down.
You see the Result on the pictures above the last two.

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foil transit