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  #1  
Old 1/13/13, 3:08 PM
Christopher Currins's Avatar
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Default How many through bolts in 4X4 deck post?

Would anyone recommend additional post/beam support?
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  #2  
Old 1/13/13, 3:11 PM
Juan C. Jimenez Juan C. Jimenez is offline
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Default Re: How many through bolts in 4X4 deck post?

That would be an improper post to beam attachment in my report. The beam isn't bearing on anything



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  #3  
Old 1/13/13, 3:23 PM
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Default Re: How many through bolts in 4X4 deck post?

Very improper.
This picture is an improper way.
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  #4  
Old 1/13/13, 3:31 PM
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Default Re: How many through bolts in 4X4 deck post?

Chris,

Are those bolts just holding the beam together?

From the pics it looks like the beam is sitting on top of the 4X4's and not bolted to the 4X4's.



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  #5  
Old 1/13/13, 3:34 PM
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Default Re: How many through bolts in 4X4 deck post?

That connection is prohibited in the 2009 IRC deck code. And the posts should be 6x6's.




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  #6  
Old 1/13/13, 3:40 PM
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Default Re: How many through bolts in 4X4 deck post?

Yes I agree! notched to hold the beam.
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  #7  
Old 1/13/13, 4:22 PM
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Christopher Currins Christopher Currins is offline
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Default Re: How many through bolts in 4X4 deck post?

Quote:
Originally Posted by drange View Post
Chris,

Are those bolts just holding the beam together?

From the pics it looks like the beam is sitting on top of the 4X4's and not bolted to the 4X4's.
Beams bolted to post.

Also to other comments I'm well aware of the notched 6x6 requirement, unfortunately that's not how this deck was built.






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  #8  
Old 1/13/13, 4:30 PM
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Default Re: How many through bolts in 4X4 deck post?

So Chris, out of curiosity, what did you put in your report?




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  #9  
Old 1/13/13, 4:31 PM
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Default Re: How many through bolts in 4X4 deck post?

Agreed, that beam to post connection is prohibited. Notching is allowed as Kevin Wood says, but notching is a pain. I prefer a Simpson "Strong Tie" Cap/Base (BCZ) to attach the post to the beam. Looks like the posts are buried in the ground. That's not allowed in my jurisdiction. The posts have to be on 9" piers, 4 ft deep, and 6" above grade.




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  #10  
Old 1/13/13, 4:36 PM
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Default Re: How many through bolts in 4X4 deck post?

Quote:
Originally Posted by sstanczyk View Post
So Chris, out of curiosity, what did you put in your report?
Recommend to strengthen support at post/beam at All post, including center post. Where two beams intersecting above one (center) post you may want to install a cleat down the side of the post. To install a cleat you will lay a short section of 2x4 flat against one side (inside) of the 4x4 support post flush with the top of the post and even with the bottom of the beam. Use a series of lag bolts to secure the cleat down the side of the post. This technique is used to expand the contact bearing of beams at the top of the post. Make sure the cleat is long enough and has enough bolts to pick up its share of the load, 3 feet is usually long enough. Note: Modern recognized building standards require All support post to be at minimum a 6" x 6" notched post; with beam resting on post.






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  #11  
Old 1/13/13, 4:39 PM
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Default Re: How many through bolts in 4X4 deck post?

Quote:
Originally Posted by cwalsh View Post
Agreed, that beam to post connection is prohibited. Notching is allowed as Kevin Wood says, but notching is a pain. I prefer a Simpson "Strong Tie" Cap/Base (BCZ) to attach the post to the beam. Looks like the posts are buried in the ground. That's not allowed in my jurisdiction. The posts have to be on 9" piers, 4 ft deep, and 6" above grade.
Post are on concrete footing, attached with approved post base brackets.






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outhern Illinois

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  #12  
Old 1/13/13, 4:41 PM
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Default Re: How many through bolts in 4X4 deck post?

Quote:
Originally Posted by ccurrins View Post
Post are on concrete footing, attached with approved post base brackets.
Thanks for the info. Looked like the posts were just set in the ground.




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  #13  
Old 1/13/13, 4:47 PM
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Default Re: How many through bolts in 4X4 deck post?

Quote:
Originally Posted by cwalsh View Post
Thanks for the info. Looked like the posts were just set in the ground.
I agree, surrounded by decorative rocks, post base was just a few inches under rocks. I moved some away and probed with screwdriver.






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  #14  
Old 1/13/13, 4:51 PM
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Default Re: How many through bolts in 4X4 deck post?

Hold the cleat with Lag bolts? Lag bolts? Didn't you mean finish nails?




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  #15  
Old 1/13/13, 4:53 PM
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Default Re: How many through bolts in 4X4 deck post?

Quote:
Originally Posted by cwalsh View Post
Agreed, that beam to post connection is prohibited. Notching is allowed as Kevin Wood says, but notching is a pain. I prefer a Simpson "Strong Tie" Cap/Base (BCZ) to attach the post to the beam. Looks like the posts are buried in the ground. That's not allowed in my jurisdiction. The posts have to be on 9" piers, 4 ft deep, and 6" above grade.
We have rule on the MB Chris provide a link!
http://www.strongtie.com/ftp/fliers/S-DECKCONTP12.pdf

Last edited by kwood; 1/13/13 at 4:59 PM..
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