Some codes might require the depth to be below the frost line the level at which water in the soil typically freezes to help prevent the ground from pushing up the posts known as heave during a freeze.
Chain link fence installation video.
Lay the chain link mesh on the ground outside the fence.
Chain link fabric or mesh is usually sold in rolls 4 5 or 6 feet high.
Here we show you how to install a 4 chain link fence with a double drive through gate and a single gate.
Installing a chain link fence involves many steps including digging post holes mixing concrete and connecting the metal mesh fence to the installed posts and rails.
Galvanized steel is the strongest mesh.
We also show you how to use dome bullet end and cor.
Run a tension bar through the links at the end of the mesh.
Typically the hole diameter should be about three times the width of the post.
In this tutorial we will show you how to properly set the post for a 4 chain link fence.
Note that the frost line varies by region.
Same video better quality here.
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The bar makes the end of the fence rigid and provides something to attach to the posts.