How Long Should A Wooden Fence Post Last?

How long will a wooden fence post last?

While treated timber posts can last from anywhere between 10-15 years, untreated timber may need replacing in under 5 years.

What’s more, rotting, splitting and warping (where the post expands upon water absorption) are all very common occurrences for wooden fence post systems..

Do wooden fence posts rot?

Wooden fence posts tend to rot at ground level and this can happen surprisingly quickly, especially in damp poorly drained conditions, with the result that you might need to replace your expensive fence after just a few years, but it doesn’t have to be the case.

How do you stop wood from rotting?

Tips for Preventing Wood RotAlways use decay-resistant or pressure-treated lumber for decks. … When building an exterior project with wood, stain or paint all sides of each lumber piece before assembly.Don’t lean anything against your siding, such as old plywood, tools, and ladders.More items…

How deep should wooden fence post?

Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).

How long will 4×4 post last in the ground?

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.

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.

What timber is best for fence posts?

Best Types of Wood for FencingHardwood. Depending on the class/durabilty, Hardwood can be used for the different parts of the fence but most common is fence posts only. … Treated/Untreated Pine. The most used timber in a paling fence is treated wet rough sawn pine. … Cypress Pine. … Pressure-Treated Wood.

How do you keep wooden fence posts from rotting?

How You Can Protect Your Wooden Fence Posts From RottingChoose Rot Resistant Wood. Fighting back against wood rot begins with the type of wood you choose for your fencing project. … Dry the Fence Posts Out. Drying is an essential factor when it comes to avoiding rot. … Apply Preservative to the Wooden Post. … Start Digging. … Fill Up the Hole. … Finish Off.

How long will a wood post last in the ground?

The Forest Products Laboratory and other research groups have shown that treated wood stakes placed in the ground for more than 40 years remain rot-free. But young pressure-treated decks, many less than 10 years old, are being shoveled into landfills.

Will wooden posts rot 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. … The concrete at the top should be sloped away from the post to grade level to avoid water pooling around the base.

Should I use concrete for fence posts?

Concrete is the most secure material for setting fence posts, especially if you have sandy soil. … Using premixed concrete rather than dry concrete will ensure ultimate security. While concrete is sturdy, it lacks the drainage of gravel and can trap moisture, ultimately leading to rot.

Will pressure treated wood rot if buried?

Pressure-Treated Wood Makes the Grade Pressure-treated wood in contact with the ground needs the most protection, and will rot in just a few years if you use the wrong grade. … If your wood will touch the ground or be buried, you should get the highest grade you can, up to .