Quick Answer: How Do You Keep Cedar Posts From Rotting?

Will cedar wood rot in the ground?

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..

What is the best sealer for cedar?

Our Top 10 Best Cedar Sealer in 2020Olympic Stain 56500-04 Maximum Cedar Sealant. … Pure Tung Oil Finisher for Cedar. … General Finishes Exterior 450. … Star Brite Golden Teak Oil Sealer for Cedar. … Thompson’s WaterSeal Advanced Cedar Protector. … DEFY Crystal Clear Sealer for Cedar. … SEAL-ONCE MARINE Cedar Wood Sealer.More items…

How long will a 6×6 post last in concrete?

40 yearsThe treated post that are rated for ground contact are guaranteed for 40 years.

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.

Will treated post rot 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. … This allows any moisture that gets between the concrete and the bottom of the post to percolate through the gravel and away from the bottom of the post.

Why deck posts should not be set in concrete?

A deck post should always be placed on top of footing, not inside concrete because it can break. … 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.

How long will cedar posts last in the ground?

about 15 to 20 yearsIf you are using Red Cedar post they will last about 15 to 20 years (Western Red Cedar). A lot of the non-aromatic cedars are not very decay resistant. If you can smell the Cedar then it is aromatic and will resist decay.

Can I use Thompson’s 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. Cedar-Seal may be applied before water based stains or before painting with any water based paint product. …

What is the best way to seal cedar?

Cedar accepts most finishes well, including penetrating oils, such as tung oil and linseed oil. Penetrating oils are especially effective for sealing the grain while leaving the wood looking raw and natural. Just like exterior applications, your interior sealing projects should start with clean cedar.

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 .

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.

How long will treated post last in concrete?

5 to 10 years5 Answers. A PT post will last a long time in concrete, maybe 5 to 10 years in soil alone. I suggest you embed the post in concrete, trowel a peak around the post so water runs off, and don’t let the PT post come in contact with the ground.

How do you keep fence posts from rotting in concrete?

Consider Adding Posts to Concrete From here, you should fill the hole with about 6 inches of gravel. This will prevent rotting by ensuring that the post is kept dry when water makes its way into the soil. Place the post in the gravel, then fill with a batch of cement until it reaches the top of the hole.

How do I keep my post from rotting in the ground?

Soak the bottom of the posts in a wood preservative containing copper napthanate, such as Cuprinol. Note: Available at some paint stores and home centers, this wood treatment is specifically designed for in-ground applications.

How long does a pressure treated post last in the ground?

40 yearsTherefore, if you are in the look for proper construction materials for your home, then consider investing in pressure treated wood. According to Forest Products Laboratory and other research agencies, pressure treated poles in the ground can stay up to 40 years without any signs of rot.