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Wood fences last an average of 15 years but can have a life span of 20 years or more depending on the type of wood used, your local weather, and how well you maintain it over the years. Pine fences will only last five to 10 years if untreated, but pressure-treated pine fences will get you to 20 years. Cedar’s natural resistance to the elements lends it to a remarkable lifespan of 40 years or more.

Wattle fences are typically around 4 feet tall, but they can be built taller or shorter depending on their intended use. Taller fences may require additional reinforcements, such as thicker posts or tighter weaving, to ensure the fence’s stability and durability against wind and other elements.

How long a fence should last depends on the type of fence, but a common split wooden fence should last seven to 10 years. Chain link can last much longer, with wrought iron and concrete lasting decades. If you're interested in your fence lasting as long as possible—and it's made of wood—consider sealing and treating the wood so it can stand up to the environment. Wood is the only fence type that requires this, as concrete and metal are almost always waterproof.

No, fence posts aren’t always set in concrete. If you don’t want to use concrete footings for your posts, expanding foam is a popular alternative. Expanding foam and concrete each have certain pros and cons. For instance, foam is easier to install and more sustainable, but concrete is sturdier and less expensive.