Question: How Long Will Cedar Post Last?

How long will untreated cedar last outside?

Fences made of untreated cedar can last between 15 and 30 years, depending on how well you care for it and the specific cedar species used.

If it’s treated, a cedar fence may last up to 40 years.

Cedar consistently outlasts other wood species.

A spruce fence typically lasts only four to seven years..

Why deck posts should not be set in concrete?

Concrete tends to absorb moisture and wood expands when it gets wet, so these two factors combined will result in the wood breaking the concrete. By setting the post on top of footing, you’re creating a solid foundation for the deck to stand on.

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. … First, the posts should be set on top of a bed of coarse gravel 3 to 6 inches deep, so the base of the post is in contact with the gravel.

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 .

Will cedar posts rot in concrete?

Cedar has a reputation for durability, but unless a few guidelines are followed, cedar posts can fail in as few as five years. The bottom of the post should extend a few inches into the aggregate as shown. 3. Pour the concrete so that it’s above the soil level.

Can you use Thompson Water Seal on Cedar?

Apply the Thompson’s WaterSeal 1 gal. Natural Cedar Waterproofer Plus Tinted Wood Protector to your deck or wood furniture to provide a reliable waterproof seal. This water proofer is resistant to UV rays and mildew growth to help maintain the wood’s natural beauty and durability.

Which lasts longer pressure treated or cedar?

Cedar decks last 15 to 20 years, compared to 10 to 15 years for pressure-treated wood.

How long will a treated 4×4 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.

Do you need to seal cedar wood?

Cedar offers a durable option for exterior and interior building projects with natural resistance to rot and decay, so a protective finish is optional. … If you’re using cedar for an outdoor project, give it a light seal coat to guard against moisture and sunlight.

Is Cedar good for ground contact?

Due to its chemical properties, cedar is naturally weather-resistant and repels most bugs. … Don’t put cedar where it’s in direct contact with the ground or set it in concrete. It may last for a while, but eventually it will rot and deteriorate.

How do you keep cedar posts from rotting?

Because water wicks up through the cut end grain of the post much more readily than it does through the sides of the post, either soak the end of the post in a preservative solution (copper naphthenate), or coat it with a waxy end sealer such as Anchorseal.

Do cedar posts rot?

Introduction. Cedar has a reputation for durability, but unless a few guidelines are followed, cedar posts can fail in as few as five years. … Here’s how to install new cedar fence posts and avoid the problems that made your old posts rot.