In the Midwest, Eastern red cedar fence posts have been found to last for decades. Here is the life expectancy (in years) of some wood fence posts, from the Virginia Cooperative Extension:. I just pulled a bunch of eastern red cedar fence posts out of the ground. They were over 30 years old and in generally good shape. In Chicago, I would think the lifespan would be shorter. In checking some of the other posts in this line fence, all cedar posts were still functional. From contributor T: The reason you get differing opinions about the longevity of ERC posts in the ground is because people have different experiences with them.
The most commonly used wood types for fences are cedar, spruce, and pine. But what about your posts? A fence is only as strong as its weakest link, and ground that is high in moisture reduces the life of a post by up to 3 years. Q: I’m about to install a fence and have purchased cedar 4x4s for the posts. But I recently read a tip in your magazine about replacing cedar posts that had rotted underground. Keeping the post dry is key to its longevity. Frequently asked questions for wood fences. This is a natural process to be expected that does not compromise the strength or longevity of the post.
Set the wooden fence posts in a cool, dry area with plenty of air circulation so the wood can dry. Skip this step if the posts are already dry, but drying is especially important when using fence posts from green wood because the moisture inside the wood encourages rot and because moist wood won’t absorb as much of the liquid wood preservative. Some series of wood posts deserve special mention for their notable durability, sometimes the result of simple preservative treatments. Exceptionally durable series include some that were pressure-treated with creosote (series 7. I’m considering putting in some wood fence posts (I have lots of trees that need thinning and need some fence). I don’t want to treat them (trying to.
How Long Should A Wood Fence Last
About how long should a wooden fence post last? Use a cedar post every 3-4 posts or a 4×4 and then use metal t-posts inbetween, they will last a long time and you wont have to did a hole. Cedar’s natural resistance will give it a life expectancy of 15-20 years. Do the posts need to be treated?No, tests have proven that dipping a cedar post in creosote will not affect the life expectancy of the post. My question is when I put the cedar post in the ground how do I keep them from rotting and how do I keep insects away from them. If you know of another material that is visually attractive to use in the split rail fence please tell me. Would steel posts be much more expensive? Galvanized steel would probably have a better life expectancy than wood without the chemical worries. Goodday Fence installs new untreated cedar and or spruce fencing. The normal life expectancy of a pressure treated wood post without a concrete footing can be very long. I am trying to decide between a vinyl fence or a pressure treated fence. Then be sure to put a bit of large gravel in the bottom of the post hole for water to drain away.
How To Protect Wooden Fence Posts From Rotting
For a post and rail fence, wood continues to be the most practical and economical solution. Western red cedar remains one of the most popular species of wood used in fencing because of its natural beauty and longevity. For extra longevity, you should consider asking us to coat the bases of your treated barn poles with our special polymer wood coating. Cedar wood fences stand the test of time, and look great decades after installation. In fence posts, cedar lasts several years without rotting; My cedar fence, which covers about 225′ includes 2 gates but is on it’s last legs (gates?). Posts well buried in concrete, pressure treated posts and rails, dry environment, no termites or carpenter ants.
In our redwood vs. cedar research, we focused on four main categories: appearance, environmental-impact, longevity, and value. Whether you’re building a deck, pergola, or fence, here are 8 factors that can help you decide between cedar or redwood. If your cedar fence posts are rotting at the bottom, you need to replace them. The rot probably developed because the posts were installed improperly. So if you install your new posts the same way the old posts were installed, you’ll just have to do the whole thing over again a few years down the line. If someone tells you that pressure treated pine is better than cedar for the above-ground portion of the fence, it is probably because they do not stock cedar. When a fence post dries, the outer surface (sapwood) shrinks faster than the inner heart of the piece, and something has to give.