Does cedar last longer than pressure treated wood?

Author: Arjun Towne  |  Last update: Tuesday, June 24, 2025

Cedar left untreated outdoors will generally last around 15-20 years due to its natural oils and decay resistance. Pressure-treated wood, treated with chemicals to resist decay and insects, can last significantly longer, often 30 years or more.

What holds up better, cedar or pressure-treated?

When it comes to comparing treated wood vs. cedar, pressure-treated wood is the sturdier and more weather-proof of the two. It's highly resistant to insect attack and rot, and special versions rated for “ground contact” can be buried in soil and will continue to shrug off decay for decades.

What are the disadvantages of cedar wood?

Disadvantages Of Cedar Wood
  • Hardwood cedars may not last as long as some other hardwood species.
  • Some types of softwood cedar can become dented easily.
  • It is expensive compared to wood like pine.
  • It requires regular maintenance as the color may fade away due to chemical reaction.

Which lasts longer, cedar or treated pine?

Untreated cedar can last 15-30 years, depending on environmental conditions. You can often extend this through proper cedar fence restoration, though. Pressure-treated pine fences can last up to 20 years, but they are more susceptible to warping and cracking over time compared to cedar.

How long will cedar last outside untreated?

Cedar Wood

It resists water reasonably well and doesn't tend to crack. Cedar lasts about 20 years if not treated, but some damage may be noticeable from heavy traffic. Cedar can last for decades when used in your outdoor projects if cared for properly.

Some TREATED LUMBER Rots Faster Than Others! WHAT'S THE DIFFERENCE?! (Ground Contact Vs. Non-GC!)

How long will a 4x4 cedar post last in the ground?

Cedar posts that are installed in a dry, well-drained area and are thick enough to resist warping can last for up to 25 years without rotting, while those installed in a damp environment may only last for 5-10 years before showing signs of rot.

Will cedar turn grey if sealed?

If you prefer to preserve the original color of your cedar fence, there are steps you can take to slow down the greying process: Seal and Protect: Applying a high-quality wood sealant or finish to your cedar fence can help shield it from UV radiation and moisture, preserving its natural color for a longer time.

Is cedar more rot resistant than pressure treated?

Cedar left untreated outdoors will generally last around 15-20 years due to its natural oils and decay resistance. Pressure-treated wood, treated with chemicals to resist decay and insects, can last significantly longer, often 30 years or more.

What treated wood lasts the longest?

Pentachlorophenol-treated posts exhibited durability in excess of 60 years, whereas lumber specimens treated to standard ground-contact retentions had no failures after 39 or 45 years.

What is the best wood for a deck?

Overall, our experts at Patio Productions recommend Cedar or Redwood as the best wood choice for outdoor decks. If you're looking for a cheaper option, pressure treated wood is your next best option.

What is cedar wood weakness?

Cedar can and will rot and decay, it just takes alot longer than other wood. It can become weak and brittle so it depends on the design of your chairs and the thickness of the planks as to whether or not they'll hold up and support the weight you're going for.

What is the best cedar for outdoor use?

Inland Red cedar is rot and insect resistant and is a great choice for siding, fencing, decking, and outdoor entertainment spaces. If you're looking for a rustic, lighter-colored cedar, and a price point that can be less expensive than Western Red Cedar, Inland cedar is an excellent option.

What kind of sealer to use on cedar?

Choosing the Right Sealer

They can also cause the color of the stain to bleed and give a bad look. The best option for cedar siding is Seal-Once NANO Penetrating Wood Sealer.

Do cedar posts last longer than pressure treated?

Cedar wood fences stand the test of time, and look great decades after installation. 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.

What are the disadvantages of cedar decking?

Sensitive. As a softer wood, cedar decking can be more easily scratched or dented by furniture and pet claws.

Can cedar be used as a load bearing post?

You are wanting to know if western red cedar can be used a load bearing material? While it's not as sound and doesn't have quite the load-bearing capacity as other types of wood, western red cedar can be used structurally. It's naturally durable and stable, and it's great for outdoor use.

What should never be done with pressure-treated wood?

Some of the important federal guidelines for using treated lumber include:
  1. Refrain from using any type of treated wood where the wood will come into direct or indirect contact with drinking water supplies. ...
  2. Avoid using treated wood where the wood will come into contact with human or animal food or with beehives.

Can you leave cedar untreated?

Untreated cedar fences, made of natural and rot-resistant wood, can typically last for approximately 15 to 20 years under ideal conditions. However, a cedar fence treated with a protective stain can prolong its life even further, potentially lasting over 30 years with proper maintenance.

Should I use cedar or pressure-treated wood for a deck?

If you're looking for a durable, long-lasting material that's resistant to rot and decay, cedar is a good choice. Cedar is more expensive than pressure-treated wood.

What wood lasts longest for decking?

Ipe decking, also known as Brazilian Walnut, takes the crown as the longest-lasting decking material. Renowned for its incredible durability and resistance to decay, Ipe can last up to an astonishing 75 years with proper maintenance.

Is cedar or pressure treated better for a fence?

SHORT VERSION: FOR THE LONGEST LASTING, BEST LOOKING FENCE, WE RECOMMEND USING PRESSURE TREATED PINE FOR THE POSTS, AND CEDAR FOR THE REST OF THE FENCE! If someone tells you that pressure treated pine is better than cedar for the above-ground portion of the fence, it is probably because they do not stock cedar.

What keeps cedar from rotting?

Ventilation and Drainage

Picture gutters directing water away from cedar siding. These simple steps create an environment where rot struggles to gain a foothold.

What happens if you don't stain cedar?

Cedarwood looks absolutely stunning without a stain. However, it will turn gray as it ages, which can be visually displeasing to some people. If you don't like the color of an aged cedar deck (or simply do not like its natural color from the get-go), you can always stain it in the color you want.

Will cedar hold up in a shower?

Cedar is durable. This type of wood is naturally resistant to rot and decay, so you don't need to worry about your outdoor shower having any structural damage.

How long does it take for cedar to go gray?

The time it takes for a cedar fence to turn grey can vary depending on several factors, including the type of cedar wood used, the climate in your area, and the level of exposure to the elements. In general, you can expect a cedar fence to start showing signs of greying within a few months to a year after installation.

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