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Concreting Posts Into the Ground

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  1. #1
    Apprentice (new member) Jetpilot_Dave's Avatar
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    Default Concreting Posts Into the Ground

    Hi there, I'm a newby here and sorry if this has already been discussed.

    I am building a square gazebo around the pool using Grey Ironbark and I have bought 200 x 200mm posts and looking for the best way to erect them. As I have plenty of length, 3mtrs, I was wondering if I should just concrete them into the ground or should I use post supports. I can't seam to find large post supports and was considering using 2 x L shaped ones and have one each side of the post.

    So:

    1. Is concreting their to the ground OK? If so, do I need to put anything through the posts so they have 'bite' in the concrete.
    2. Are there post supports anywhere large enough so I can make four concrete pads and then Dynabolt them to the pad.

    I appreciate your help,

    Cheers,

    Dave

  2. #2
    Slow but rough Uncle Bob's Avatar
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    Default

    I'd say concrete them straight in. But I reckon you should await a second (or more) opinion.

  3. #3
    Flaccid Member - 1k Club Member
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    Definitely use post supports they prevent rot and termite entry. Try a bolt supplier for post supports, a reputable hardware or timber supplier ( ie not green shed) or got to a steel fabricator and have some custom fabricated and hot dipped (not as expensive as it sounds).

  4. #4
    Apprentice (new member) Jetpilot_Dave's Avatar
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    Quote Originally Posted by stevoh741
    Definitely use post supports they prevent rot and termite entry. Try a bolt supplier for post supports, a reputable hardware or timber supplier ( ie not green shed) or got to a steel fabricator and have some custom fabricated and hot dipped (not as expensive as it sounds).
    Sounds good. Would it matter if I used two L shaped post supports and put one either side of the post?

  5. #5
    Flaccid Member - 1k Club Member
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    For a professional look I'd personally go with a fin type post support for those size posts:
    post-support.jpg

  6. #6
    Apprentice (new member) Jetpilot_Dave's Avatar
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    Ok. You won't see them as they will be under the gazebo but they would look better, I agree.

  7. #7
    Builder
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    Default Good Support if cast in

    As a note, posts are cast in concrete to provide bracing and support. If your structure is anchored to the ground some other way, like with stumps, etc, then a stirrup is best for preventing rot at ground ground level.

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