Do cedar posts need to be treated?

For fence posts, cedar can go several years without rotting; however, they tend to be less durable against soil erosion than pressure treated pine posts. For this reason, it may be a good idea to use pressure treated pine for the posts and cedar for the rest of the fence.Click to see full answer. Then, do cedar posts need to be sealed?Before sealing cedar posts, be sure to complete a water test. Simply sprinkle water on the surface of the wood. If it soaks in, the post should be sealed. If the water beads up or stands on the surface, the posts do not need to be sealed.Similarly, how do you keep fence posts from rotting in concrete? Caulk around the fence post base Apply high-quality exterior acrylic caulk, or silicone specifically designed to adhere to concrete, at the base of the post. If your cedar wooden fence posts are rotting at the bottom, you need to replace them. The rot probably developed because the posts were installed improperly. Additionally, does Cedar need to be pressure treated? Pressure treated wood, usually pine, has gone through processes that force chemical preservatives into the wood. These chemicals are aimed at preventing termite attacks or fungal decay. So while Cedar lumber is naturally resistant to those kinds of variables, pressure treated lumber is manipulated to do so.Which lasts longer pressure treated or cedar?As a general rule, cedar will remain in good condition and require less maintenance than pine if installed above the ground. Pressure-treated pine is less likely to decay if planted in soil, so the posts often last longer.