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  1. #1
    Join Date
    Jun 2010
    Posts
    1

    Default Posts for a deck

    I am building a 12' x 10' deck. I am pouring concrete columns, and using post brackets. The posts will be about 4' tall. There will be 9' between them. They will support a beam that the joists will sit on. Is it better to use a 4"x6" post, or a 4"x4" post? This deck will be located in Michigan. I only have access to brackets for a 4"x4" post. So would there be any benefit to using the bigger post? If I could get your oppinion, and or experiences with both that would be much appreciated.

    Thank you

  2. #2
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Posts for a deck

    The 4 x 4's will work fine.
    "" an ounce of perception -- a pound of obscure "
    - Rush

  3. #3
    Join Date
    Mar 2008
    Location
    nova scotia, canada
    Posts
    1,522

    Default Re: Posts for a deck

    interesting, around here were only allowed to use 4x4's for handrail posts and fences. anything posts carrying a load must be 6x6
    fire up the saw and make some dust

  4. #4
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Posts for a deck

    Good point --- you have to check local codes.

    Around here 4 foot high decks can still be supported by 4-4's --- anything higher can not be. Though the talk is local code is going to change the height to 2 feet and 6x6 for anything higher.

    Keeping in mind with 4x4 's they can not be notched for beam saddles --- only approved method of mechanical fastening is allowed.
    "" an ounce of perception -- a pound of obscure "
    - Rush

  5. #5
    Join Date
    Mar 2008
    Location
    nova scotia, canada
    Posts
    1,522

    Default Re: Posts for a deck

    hmm, yah, still we have to have 6x6 for all bearing, even if the beam is only 8" off the ground it has to be 6x6's. it makes for a lot less waste for us now when we cut posts, all those 2' offcuts now turn into what is sometimes 4 posts
    fire up the saw and make some dust

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