Fence Post Concrete Footing

Pour 3 inches of concrete into the hole prior to setting the post to provide separation of the post from the earth.

Fence post concrete footing.

Form tubes make it easy to pour concrete support footings for mailboxes fence posts decks and other structures. To prevent a post from decaying too quickly as well as to make it easy to remove when it does start. For example an 1800mm fence in wind zone a will require footings of a minimum of 600mm deep by 200mm wide whereas the footing dimensions for the same fence in wind zone d will need to be at least 700 1100mm deep by250mm wide. Even though the concrete hardening technically known as curing process begins quickly you should leave the posts undisturbed for at least two days after pouring the concrete.

Fence stability starts at the bottom. Typical post footings for fences decks and exterior stairs are between 18. The depth of your fence post footings will vary according to fence height wind loading and soil type as well as other factors. Concrete post footings are removed when replacing a damaged post moving posts or when trenching for underground pipes.