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Old 07-25-2015, 02:44 AM   #1
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Is this PT? (Pressure Treated Wood)


I dug up these old landscaping ties from the front of my house. Even though you'd think they would be PT, they were so rotten, I thought they had to be regular wood. I let them try out for a long time and today I cut one up to use as firewood. As bad as they look on the outside, they look really good on the inside..... they don't look rotten at all inside, and they look like PT. What do you think?





And yet from the outside, they look like rotten, junk, non-pt crap:

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Old 07-25-2015, 05:56 AM   #2
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Yep--sure looks like PT from here---
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Old 07-25-2015, 07:13 AM   #3
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Read the label on new pressure treated landscape timbers.
It's reads not rated for below ground use.
If I have build a raised bed I use 4 X 4's 4 X 6's or 6 X 6's there rated for below ground use.
Makes no since there not below ground rated, just the way it is.
There nothing more then the core of the logs left over from making plywood, that's why there all 8' long.
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Old 07-25-2015, 07:24 AM   #4
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As much as we would like the term " pressure treated " to prevent rot in wood we buy today that isn't what PT is for but to repel insect damage.

Our society won't allow anything that would even come close to preventing wood rot.
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Old 07-25-2015, 07:48 AM   #5
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Quote:
Originally Posted by SeniorSitizen View Post
As much as we would like the term " pressure treated " to prevent rot in wood we buy today that isn't what PT is for but to repel insect damage.

Our society won't allow anything that would even come close to preventing wood rot.
In defense of that societal stance: railroad ties are pretty resistant to rotting and they are partially underground (though in gravel not dirt so that probably doesn't count). When they rip up the tracks to build a bike route after the line goes out of service, the soil is filled with arsenic and other chemicals that leach out of the ties.

Overall trains are very good for the environment but their negativity gets condensed into small areas and those areas aren't great places to be.
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Old 07-25-2015, 09:03 AM   #6
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Those are not real railroad ties. Those are sold at the big box stores ---made to kinda look like ties. You wouldn't be able to wrap your hand halfway around a real railroad tie. Probably pressure treated pine.
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Old 07-25-2015, 10:31 AM   #7
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Perhaps the OPS is wondering if the wood is safe to burn? If it is PT, should not be burned, as it is full of metals like arsenic, copper, maybe chromium.
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Old 07-25-2015, 02:02 PM   #8
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Quote:
Originally Posted by SPS-1 View Post
Those are not real railroad ties. Those are sold at the big box stores ---made to kinda look like ties. You wouldn't be able to wrap your hand halfway around a real railroad tie. Probably pressure treated pine.
I know what I have isn't real railroad ties, I was just referring to railroad ties in regards to the idea that you don't want truly rot-proof wood just laying around your yard.
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