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ANSWER:Under optimal conditions, 15-20 years. In the direct sunlight, with no added treatments on your part, as little as 3-5 years.

20 years lucky ....15 maximum for treated wood, now when you retreat it over and over you keep weakening it further and further because all wood preservatives soften the fibers and naturally the result is crumbly wood but all wood preserved not exposed to the environment could outlive you, inotherwards the fence posts you put into the ground will rot above ground and 50 years later the part under the ground will likely still be as fresh and new as when you put them into the ground ...even a treated wood foundation for a playhouse or shed will still be like new .

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How long does pressure treated wood last when treated?

Pressure treated wood can last up to 20 years or more and most pressured treated wood sold in stores such as Home Depot offer a limited lifetime warranty.


How long will pressure treated wood last in water?

Pressure treated wood can last up to 20 years in water, depending on the type of treatment and environmental conditions.


What type of screws are recommended for use with treated wood, such as treated wood screws?

For treated wood, it is recommended to use screws that are specifically designed for use with treated wood, such as treated wood screws. These screws are typically coated to resist corrosion from the chemicals in the treated wood, ensuring a secure and long-lasting connection.


How long does pressure treated wood last in the ground and what factors can affect its longevity?

Pressure treated wood can last up to 20-30 years in the ground, depending on factors such as the type of treatment, soil conditions, moisture levels, and exposure to elements like sunlight and insects.


How long will pressure treated wood last in the ground and what factors can affect its longevity?

Pressure treated wood can last up to 20-30 years in the ground, depending on factors such as the type of treatment, soil conditions, moisture levels, and exposure to elements like sunlight and insects.


How long does it take for pressure treated wood to dry?

Pressure treated wood typically takes about 2-3 days to dry after it has been treated.


Understanding Pressure-Treated Deck Wood?

Pressure-treated wood is one of the most popular choices for building a deck. It is important to check the exact type of pressure-treated wood that is being used, however. Some wood is designed to only be used above ground. Other types of wood contain a sealant that allows the wood to be used in the ground so that moisture will not cause the wood to rot prematurely. Understanding the difference between these two types of pressure-treated wood can help to make a deck that will last as long as the house it is attached to.


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As long as it is not well treated


How long does it take for pressure treated wood to dry completely?

Pressure treated wood typically takes about 2-3 days to dry completely, depending on the weather conditions and the thickness of the wood.


How long does treated wood usually last?

Treated wood can typically last 20-30 years or more, depending on the type of treatment applied and the environmental conditions it's exposed to. Factors such as moisture, UV exposure, and insect damage can affect the longevity of treated wood. Regular maintenance can help prolong its lifespan.


How long should treated wood dry before painting it?

Treated wood should dry for at least 24-48 hours before painting it to ensure proper adhesion and a long-lasting finish.


Is it safe to paint pressure treated wood?

Yes, it is safe to paint pressure treated wood as long as the wood has had enough time to dry out completely. It is recommended to wait at least 6 months before painting pressure treated wood to ensure the paint adheres properly and the wood is fully dried out.