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Author Topic: what did people do before Yellow Wood pressure treating?  (Read 2433 times)

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Offline DPForumDog

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what did people do before Yellow Wood pressure treating?
« on: August 19, 2014, 11:45:26 AM »
I am wondering what folks did before you cculd go the store and buy pressure treated wood?   

I have several projects for my husband. I want a gazebo, paviliion, storage shed, etc and I want them made from the trees off our land.   Someone told me that you can soak wood in vegetable oil to preserve it.  Is that what folks use to do?   Also I heard that people use a solution of Copper naftate (similar to sulfate?)

Are there any original wood projects from the 1800s?  What made them last?

Thanks.
Granny DP
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tag: diy wood preserving pressure treated   do it yourself
Granny DP
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Offline enigmaT120

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Re: what did people do before Yellow Wood pressure treating?
« Reply #1 on: August 19, 2014, 01:04:07 PM »
Cedar.  Juniper.  Black locust???  I think they used rot-resistant woods.  Oh, and don't have the wood touching the ground.  Use a foundation of some kind.



Ed Miller
Falls City, Or

Offline Dave Shepard

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Re: what did people do before Yellow Wood pressure treating?
« Reply #2 on: August 19, 2014, 01:16:00 PM »
Before PT, there was knowledge of wood. In my area, black locust and white oak are long lasting species. As enigmaT120 said, keep it off the ground, and keep it as dry as possible. I've never been very impressed by PT products. I seldom see any PT SYP around here that has more than about 3 rings to the inch, and is very prone to brash failure. After 4 mailbox posts this winter, my neighbor has given up having a mailbox by the road. :D
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Offline LeeB

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Re: what did people do before Yellow Wood pressure treating?
« Reply #3 on: August 19, 2014, 01:37:24 PM »
Brash failure or crash failure?
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline DPForumDog

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Re: what did people do before Yellow Wood pressure treating?
« Reply #4 on: August 19, 2014, 04:38:28 PM »
.... I've never been very impressed by PT products. .... :D

It seems like when I look at someone's deck there is always a few pieces that have twisted and knarled.

Thanks
Granny DP
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Offline jwilly3879

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Re: what did people do before Yellow Wood pressure treating?
« Reply #5 on: August 19, 2014, 07:49:43 PM »
Try to just keep the wood dry. Setting posts in crushed stone helps a lot.

Offline gfadvm

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Re: what did people do before Yellow Wood pressure treating?
« Reply #6 on: August 19, 2014, 09:17:46 PM »
There are stilt houses in the swamps of La. made of cypress that are well over 100 years old.

Offline VTwoodworker

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Re: what did people do before Yellow Wood pressure treating?
« Reply #7 on: August 19, 2014, 09:22:34 PM »
There are many timber covered bridges from the 1800s still intact today.  The roofs keep the structural timbers dry.  These bridges were constructed from native timber.  Here in Vermont this was mostly spruce and hemlock.  Deterioration in the covered bridges is associated with leaks or splash zones where the timber is saturated.

I would not recommend the vegetable oil as a treatment.  It could get rancid and have minimal benefits.  The treatment that you refer to is actually copper napthenate.  It would be expensive and is typically used to treat the cut ends of pressure treated material.  Wayne

Offline barbender

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Re: what did people do before Yellow Wood pressure treating?
« Reply #8 on: August 21, 2014, 09:57:37 AM »
PT is really the way to go for anything in ground contact. Southern yellow pine is very strong, just make sure you get good quality lumber. Make sure the retention level of the treatment is high enough for ground contact (.040, .060)
Too many irons in the fire

Offline Thehardway

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Re: what did people do before Yellow Wood pressure treating?
« Reply #9 on: August 21, 2014, 11:15:33 AM »
Yes, use of rot resistant wood was the primary practice but many of those woods are no longer available.  American Chestnut was used in a lot of area but is now gone.  White oak, Black locust, Osage orange, Cypress, Cedar, and Redwood are all rot resistant woods.  Lots of the old-timers used stuff that is frowned on or illegal today for treating lumber that is placed in ground contact.  Things like Creosote, coal tar, kerosene/diesel, burnt cylinder oil, asphalt, pitch and a variety of homebrew solutions.

Copper is effective to kill many insects and fungus, Borate or boric acid is also used sold under the Tim-Bor name as a wood preserver but is water soluable and won't last if exposed.  Crysanthemums contain a natural pesticide called pyrethrin and it discourages/kills bugs.  Also diatomaceous earth kills bugs.

You didn't say what kind of trees you have on your land.  If you can tell us we can give you better guidance.  Without knowing what you have it is hard to say how it would last or best be preserved.
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