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How long will an untreated deck last?
A deck made of untreated wood can last anywhere from 10 to 30 years. Decks made of treated wood and composite materials can last as long as 50 years. Many composite decks come with a 20-year warranty – and often a lifetime guarantee.
How long will pressure treated deck boards last?
Ordinary Maintenance On average, a deck made from pressure-treated pine will last 15 to 20 years before succumbing to the accumulated stress of direct sunlight, rain, salty ocean breezes, insect infestation and repeated cycles of thermal expansion and contraction.
Is it OK to power wash a deck?
Often a pressure-washer can effectively clean a deck with just plain water. However, a pressure washer can ruin your deck if it’s not used properly. If you use it with too much jet pressure or place the tip too close to the surface of your deck, you can deeply etch the wood and cause the fibers to splinter.
How long does pressure treated wood last in ground?
How long does pressure treated wood last in 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 often should a wood deck be maintained?
Here are some other factors that impact the deck lifespan when you choose traditional wood decking: Wood deck boards will need to be maintained (sanded, stained, sealed, deep-cleaned, etc.) at least every three years. Even when properly maintained, pressure-treated lumber will show inconsistent coloring and quality over time.
How long does untreated SPF decking last?
Untreated SPF decking left to the extremes of nature will gray, crack, roughen, cup, and warp within a year or two. It can maintain its structural strength for 10 to 30 years provided it can periodically dry out. However, properly maintained, painted, or sealed untreated wood has lasted centuries.
How long does a pressure treated fence post last?
A properly pressure treated pine fence posts, for example, can exist for a range of 20–35 years if well installed while the untreated one only lasts between 3–7 years. In a case where large numbers are supposed to be installed, it is practical to drive them into the ground using a hydraulic post driver. Ensure that the small end is driven first.