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When considering how much of a gap should be under a fence or gate, a good rule of thumb is to keep gaps between 2 and 5 inches tall. This allows for some ground clearance for the gate but still provides safety for children and pets, who shouldn’t be able to squeeze through a gap of that size.

There are two things you can do to make a fence replacement easier—but keep in mind that easier doesn’t mean better. First, you can use a jack or some other type of machinery to pull the post out of the ground. If that’s not available, a digging bar can help.

Second, you can backfill the hole with gravel rather than creating a concrete footing. Keep in mind, gravel is less secure. You should only use it if you’re installing a lightweight fence or have heavier, clay soil.

Ideally, when you replace a fence post, you should also replace the concrete footing. The concrete bonds to your new post, creating a secure base. If you install a new post into old concrete, it won’t be as sturdy.

That said, it is possible. Sometimes the post will lift right out of the concrete. If not, you can use a high-lift car jack to try and lift the pole out of the footing. Put the new post into the same hole and backfill it with fast-setting concrete. Keep in mind, this won’t work well for metal posts.

The best type of temporary fencing depends on its intended purpose. For example, if you need it for added security, to ensure the safety of children and animals, or to keep pests out of a garden, the ideal material will differ. For simply warning people away from a construction project, plastic orange fencing may be sufficient. Barricade fencing is a good choice for blocking off small areas. If you need to protect an area from trespassing, theft, or vandalism, more robust security fencing is necessary. Once you understand the primary function, you can select the most durable and cost-effective material for your specific project and yard size.