Quote:
Originally Posted by LIforrelaxin
I have two decks which are approaching 20 years old. Both made with Preasure treated wood, and they have held up well over the years. In 20 years, they haven't been touched, and well finally last year I decided to do just that. ..........
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20-year old PT decking is definitely not the same as the new (less than 10 year-old) stuff. I have similar decks at one house that are close to 30 years old and are still solid. The decking I have at the lake has boards rotting at 8 years and less. Granted, there is more humidity at the lake, but PT is supposed to hold up to moisture, and doesn't any more. When they changed the PT formula, along with the newer less-dense pine stock, we got a much less durable product. It does require regular treatment, which I am averse to doing over water on the dock.