The Forestry Forum is sponsored in part by:

iDRY Vacuum Kilns


Forestry Forum
Sponsored by:


TimberKing Sawmills



Toll Free 1-800-582-0470

LogRite Tools



Norwood Industries Inc.




Your source for Portable Sawmills, Edgers, Resaws, Sharpeners, Setters, Bandsaw Blades and Sawmill Parts

EZ Boardwalk Sawmills. More Saw For Less Money!

STIHLDealers.com sponsored by Northeast STIHL


Woodland Sawmills

Peterson Swingmills

 KASCO SharpTech WoodMaxx Blades

Turbosawmill

Sawmill Exchange

Michigan Firewood, your BRUTE FORCE Authorized Dealer

Baker Products

ECHO-Bearcat

iDRY Wood Lumber Vacuum Drying for everyon

Nyle Kiln Dry Systems

Chainsawr, The Worlds Largest Inventory of Chainsaw Parts





Author Topic: Protected untreated posts above ground vs treated  (Read 330 times)

0 Members and 1 Guest are viewing this topic.

Offline Sedgehammer

  • Senior Member
  • ****
  • Posts: 814
  • Location: East central Oklahoma
  • Gender: Male
  • Old enough to know better, but ya only live once!
    • Share Post
Protected untreated posts above ground vs treated
« on: July 28, 2020, 06:54:44 AM »
Our barn requires posts on the porch and the open lean to. I know 12" x 12" aren't needed, not even close, but I think that's what we are going with. With that said i have 3 choices in timber. Doug Fir, Southern Yellow Pine and SYP treated. 
All will be above ground. I will make a bracket to secure post to the concrete. Prolly a 2 part and then weld the bracket that's fastened to the timber to the one fastened to the crete.
The porch posts are 8' and face west. Lean to posts are 16' and face east.
Since it's off the ground and over hang is 2', does this require a treated post?
Thanks

Offline farmfromkansas

  • Senior Member
  • ****
  • Posts: 623
  • Age: 68
    • Share Post
Re: Protected untreated posts above ground vs treated
« Reply #1 on: July 29, 2020, 08:16:47 PM »
Most of the porch posts made for use on houses are not treated.  Think I would use the Doug Fir, and make sure it is at least 6" off the ground, and leave a gap between the concrete and the wood. Don posted a link to a heavy timbers web site, it has several ways to attach your wood to the concrete, simplest way was a U shaped piece of strap iron poured with the U in the concrete and the uprights you put your wood between and bolt.

Offline Brad_bb

  • Senior Member x2
  • *****
  • Posts: 4256
  • Age: 48
  • Location: Joliet, IL and Indy
  • Gender: Male
    • Share Post
Re: Protected untreated posts above ground vs treated
« Reply #2 on: July 30, 2020, 12:13:41 AM »
I've been using stainless steel knife plates for our own buildings.  


 

They won't react with the oak posts, and if they ever get wet, no problem.  These are custom fabricated to order.
Anything someone can design, I can sure figure out how to fix!
If I say it\\\\\\\'s going to take so long, multiply that by at least 3!

Offline Sedgehammer

  • Senior Member
  • ****
  • Posts: 814
  • Location: East central Oklahoma
  • Gender: Male
  • Old enough to know better, but ya only live once!
    • Share Post
Re: Protected untreated posts above ground vs treated
« Reply #3 on: July 30, 2020, 01:53:51 AM »
I've been using stainless steel knife plates for our own buildings.  

(Image hidden from quote, click to view.)
 

They won't react with the oak posts, and if they ever get wet, no problem.  These are custom fabricated to order.
Yes, I think I've seen them in the timber frame area. Thanks
These are 12" posts, so wood need to be bigger. I'd fab them with 2 holes offset for the upright and 4 for the bottom. Prolly 3/8 min plate for the bottom i thinks. 
Question though. How do you line up the hole through the wood to be exact enough through the metal? 
Do you have a drill press for the timber? 
You use a metal pin with wood plugs?
Do you epoxy the bolt anchors to the crete?
Any preferences on wood?
What is the 2 larger round holes for? 

Offline mike_belben

  • Senior Member x2
  • *****
  • Posts: 5130
  • Location: Middle TN
  • Pulp Friction
    • Share Post
Re: Protected untreated posts above ground vs treated
« Reply #4 on: July 30, 2020, 10:35:31 AM »
You can hammer drill a SS redhead anchor into the center of the pad, drill a mating hole in center of the post and put an asphalt shingle, grit down, between the two for a moisture barrier so the post doesnt wick from the cement.  During hot weather the load will squish asphalt up into the end grain to further seal it.  I mean nothing says you cant brush some roof flashing sealer on the end too. 
Revelation 3:20


Share via delicious Share via digg Share via facebook Share via linkedin Share via pinterest Share via reddit Share via stumble Share via tumblr Share via twitter

xx
study relating to serviceable life spans of treated/untreated fence posts

Started by Modat22 on General Board

4 Replies
1247 Views
Last post June 01, 2007, 07:47:46 PM
by Tom
xx
anyone ever built any outbuildings or anything with untreated posts?

Started by hazazil on Timber Framing/Log construction

5 Replies
950 Views
Last post August 12, 2018, 03:47:11 PM
by Autocar
xx
Protecting untreated posts from rotting?

Started by mtcates on Timber Framing/Log construction

4 Replies
3319 Views
Last post August 27, 2010, 06:25:06 AM
by ljmathias
xx
Treated posts

Started by ArnoldFarms on Sawmills and Milling

19 Replies
1790 Views
Last post March 25, 2014, 04:13:50 PM
by Ocklawahaboy
 


Powered by EzPortal