That s because fence posts are set in a concrete footing that is usually at least two feet deep in the ground.
Cement fence post footing.
Typical post footings for fences decks and exterior stairs are between 18.
Fence posts anchored in concrete footings last for years as long as they re installed properly.
To prevent a post from decaying too quickly as well as to make it easy to remove when it does start.
If you plan to bury your fence posts in concrete one of the big decisions that confronts you is whether you want to mix your own concrete and if you do which.
After digging a hole in the correct dimensions for the support slide the form tube into the hole and fill it with concrete making sure the concrete mix is properly consolidated to eliminate air pockets and other defects.
Concrete post footings are removed when replacing a damaged post moving posts or when trenching for underground pipes.
You could dig it out but that takes too long.
But before you decide to put one up yourself learn how to set your fence posts properly to ensure that.