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/diy/ - Do It Yourself

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>> No.1683835 [View]
File: 787 KB, 2348x776, 20190916_155409.jpg [View same] [iqdb] [saucenao] [google]
1683835

Repour the concrete, but try doing it like this: beneath the concrete you put a plastic film (those black canvas), and near the top face of the concrete you put a grid of rebar 4.2mm with 15cm of space between each bar. There probably are grids that you can buy and just put there.
Use small shims to make the rebar grid stay 1 inch beneath the top face of concrete.
In the border you should make a reinforcement too, like in the picture.
The yellow lines are the shape of the reinforcement bars of the border.

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