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Author Topic: 40% treated posts Vs Eastern Red Cedar  (Read 1657 times)

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Offline peter nap

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40% treated posts Vs Eastern Red Cedar
« on: February 11, 2009, 09:59:28 AM »
Which would be the most rot resistant for a pole barn?

I am having trouble finding 60% in long poles.

Offline Stan snider

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Re: 40% treated posts Vs Eastern Red Cedar
« Reply #1 on: February 11, 2009, 10:58:07 AM »
Treated posts will outlast cedar by many years here in Oklahoma. This may vary by region.

Offline Raphael

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Re: 40% treated posts Vs Eastern Red Cedar
« Reply #2 on: February 11, 2009, 12:30:42 PM »
The ERC heartwood will outlast the 40% treated but the sapwood will not if it's used untreated in buried or wet usage situations.  I've seen a fully round ERC post break a Buick after being buried ~60yrs. (to be fair I'm sure it was the driest post location in the barn).
... he was middle aged,
and the truth hit him like a man with no parachute.
 --Godley & Creme

Stihl 066, MS 362 C-M & 24+ feet of Logosol M7 mill

Offline Dodgy Loner

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Re: 40% treated posts Vs Eastern Red Cedar
« Reply #3 on: February 11, 2009, 01:12:00 PM »
I would square up the ERC posts to remove most of the sapwood.  The heartwood of ERC will give you many years of service.  I would be surprised if you don't get 50 years out of it.  I don't have quite the same faith in these new treatments that I had in the CCA treatment, so if the ERC is cheaper and easier to get, I would go with that.  However, I wouldn't pay a premium to use ERC if you have to buy the posts.
"There is hardly anything in the world that some man cannot make a little worse and sell a little cheaper, and the people who consider price only are this man's lawful prey." -John Ruskin

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Offline peter nap

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Re: 40% treated posts Vs Eastern Red Cedar
« Reply #4 on: February 11, 2009, 02:23:56 PM »
Thanks Guys !

I think I'll give then a try. I have a good many cedars in an area where I wanted to put apple trees in, so they have to go anyway to eliminate the possibility of rust.



Offline Dodgy Loner

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Re: 40% treated posts Vs Eastern Red Cedar
« Reply #5 on: February 11, 2009, 03:09:15 PM »
Well then, it's an easy call for you!  Get rid of the cedars an acquire some posts for your pole barn in one fell swoop :).  Let us know how it goes.
"There is hardly anything in the world that some man cannot make a little worse and sell a little cheaper, and the people who consider price only are this man's lawful prey." -John Ruskin

Any idiot can write a woodworking blog. Here's mine.


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