Will wooden posts rot in concrete?
Will wooden posts rot in concrete?
A: Actually, your point is well taken. Simply setting the posts in concrete does create a condition that will accelerate rot in the bottom of the posts. With pressure-treated posts, the rot will be slow. … Concrete should be poured around the post – no concrete under the post.
Is 2 feet deep enough for fence posts?
The minimum depth that you should dig your fence post holes for panel sections is 2 feet. A general formula is to dig the holes one-third to one-half of the post's aboveground height. The deeper you dig the holes, the more stability your fence has, but you must also purchase longer posts.
How do I put a post in the ground without concrete?
If you find the RV posts I mentioned earlier, they are steel, treated and when put in concrete will last 25 years or more. It will not last long (7 yrs max) if the bottom of the post is wet. If you place stone at the base of the post, it should last 20+ yrs.
How much concrete do I need for a post hole?
The general rule of thumb when setting a post is that the depth of the post's hole needs to be 1/3 to 1/2 of the actual above-ground height of the post. So, six-foot-high fence posts ideally need to be buried three feet into the ground. The diameter of your post hole should be three times the diameter of your post.
How do you keep fence posts from rotting in concrete?
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.
Can pressure treated posts be set in concrete?
Simply setting the posts in concrete does create a condition that will accelerate rot in the bottom of the posts. With pressure-treated posts, the rot will be slow. … Concrete should be poured around the post – no concrete under the post.
How deep should a 12 foot post be in the ground?
Put metal post bases (or metal posts) in the ground and bolt your wooden posts to them. Otherwise buy 10 or 12 foot wooden posts if you want 7-8 feet above ground and you want them to stay put. Or, bury them 3-4 feet deep and bolt 2×2 or 2×4 lumber to them aboveground to get to 7 feet (or more) above ground level.
How do I keep my post level while concrete dries?
Dig an 8"-diameter hole at least 6" deeper than your area's frost line for each 4×4 post, using a power auger, hand auger, or post-hole digger. A 6×6 post requires a 10"-diameter hole. Shovel a 6" layer of gravel into the hole to provide drainage.
How do I put a post in the ground?
A short 4×4 can carry an awfully big load, and many deck builders use 6×6 posts as a standard, regardless of the height or load of the deck. Though the height of a deck is often questioned only in regard to the requirement for guards, it is a factor in determining the height or “span” of the posts.
What is the best concrete mix for fence posts?
In terms of the ratio to use for a concreting fence posts, the best mix is a mix of 1:2:4 (1 cement, 2 sand, 4 aggregate). Concrete is always best mixed using a cement mixer to ensure it's even, but if you only need to mix a little, hand mixing is ok (see mixing concrete project above for tips on how to do this).