how to treat home sawed lumber for ground contact?

   / how to treat home sawed lumber for ground contact?
  • Thread Starter
#11  
Thanks for the info everyone. I've written everything down on a list and will start looking around. The posts in questions are Florida pine variety, and were cut about three months ago. I stacked them in a pile and they have been sitting since then, as I have had other projects that are more important. I figured I would use the logs as posts because I can chainsaw mill them into large square sections. Also, I'd like really sturdy posts to protect the plumbing spigots for the hose, electrical plugs, etc, in case I accidentally hit them with the tractor while mowing, etc. I already have the posts so I figured I'd recycle them. If I cut the logs up into firewood to give my co-workers, etc, it's really not a big loss. If the logs have been sitting for three months, will it affect the ability to soak up the chemical? I have not sawed them square yet, and they still have most of the bark on them. I plan on sawing this weekend or next and moving the pile to a better location in the yard.

I may try the boiled linseed oil on a one of them just to see how it works. We used to paint boiled linseed oil on the bottom of our cars when I lived in NY, it would harden up and protect the underbody from the salt and sand blasting while driving during the winter.
 
   / how to treat home sawed lumber for ground contact? #12  
<font color="blue">If the logs have been sitting for three months, will it affect the ability to soak up the chemical? </font>

The more the logs have dried, the more preservative they will absorb which is a good thing.

TK
 
   / how to treat home sawed lumber for ground contact? #13  
I've found that Cuprinol works wonders. Easy to use and lasts a long time.

I've treated wood with cuprinol then buried it in the ground only to dig it up years later and find it's completely free from rot.

The last time a bought it was at Home Depot. But to be honest, that was several years ago.

http://www.jamestowndistributors.com/decoder_cuprinolgreen.asp
 
   / how to treat home sawed lumber for ground contact? #14  
Cuprinol contains the same chemical I mentioned earlier.. Copper napthenate. And yes.. Copper napthenate is great stuff.

Soundguy
 
   / how to treat home sawed lumber for ground contact? #15  
If you're not far from a treatment plant, you can take them in for pressure treatment. I had some oak treated several years ago that I've been using for long term supports under some bridge steel. I haven't seen a bit of rot.

You might luck out and find a place nearby that does the CCA treatment. There's quite a few of those in the South that treat southern yellow pine. If so price the marine spec. (2.5#) treatment. Treated to that spec, you should get an easy 50 years of service.
 
   / how to treat home sawed lumber for ground contact? #16  
Sump oil and creosote, paint on or soak the post as many time as you can to the point the timber will not take it up anymore. they will last for year and years.
 
   / how to treat home sawed lumber for ground contact? #17  
Isn't Creosote a banned substance now ? I have a friend that dipped some pine 4X4's in a 5 gal bucket of used hydraulic oil for about a month. Going on 10 years now and no problems so far.
whatever you use the lumber should be very dry so it will soak up the preservative good.
Ben
 
   / how to treat home sawed lumber for ground contact? #18  
I heard that if you char a fence post at its base it will prevent rot. Can anyone confirm or deny this? Intuitively it makes a bit of sense, yet still.................... /forums/images/graemlins/confused.gif
Regards, J
 

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