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  1. #1
    Join Date
    Aug 2007
    Location
    Perth
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    21

    Default Spacing between joists

    Hi all - am build a ground level deck and want to have a walkway around the house.

    Given that I want a walk way of a metre - I really don't want to have to put in an extra joist.

    Just wondering whether you though i could get away having my joists 500mm apart instead of 450mm?

  2. #2
    Join Date
    Oct 2006
    Location
    Armidale NSW
    Age
    53
    Posts
    299

    Default

    What about having 3 x 450mm spaced joists and 50mm overhangs past the 2 outside joists?
    Cheers.

    Vernon.
    __________________________________________________
    Bite off more than you can chew and then chew like crazy.

  3. #3
    Join Date
    Nov 2007
    Location
    Melbourne, Victoria
    Age
    52
    Posts
    168

    Default

    That'll work.
    All decks should be stained....black white black white black white.......after all it would match anything!
    All roofs should be covered or tiled.....black colorbond, silver mist, black colorbond, silver mist, black colorbond.........after all, we wouldn't want a mismatch!

  4. #4
    Join Date
    Aug 2006
    Location
    Sydney
    Age
    65
    Posts
    1,248

    Default

    Span tables are your friend.

  5. #5
    Join Date
    Feb 2008
    Location
    nsw
    Posts
    73

    Default

    the larger the spacing the greater spring you ll get when ya walking on it, 450mm is best - 600mm starts getting a bit of bounce

  6. #6
    Join Date
    Sep 2004
    Location
    Strzelecki Ranges Victoria
    Posts
    395

    Default

    The spacing of your joists will also be determined by the decking type.
    i.e standard grade 19mm treated pine can't span more than 400.
    Peter Clarkson

    www.ausdesign.com.au

    This information is intended to provide general information only.
    It does not purport to be a comprehensive advice.

  7. #7
    Join Date
    Aug 2006
    Location
    Sydney
    Age
    65
    Posts
    1,248

    Default

    Why dont you run your joists perpendicular to your house (IMO the correct way) so you are talking about 1M lengths - it doesn't really matter then and there is less cutting of the decking boards and your inside bearer can be attached to the house so less posts?

  8. #8
    Join Date
    Aug 2003
    Location
    Pambula
    Age
    59
    Posts
    5,026

    Default

    "I don't practice what I preach because I'm not the kind of person I'm preaching to."

  9. #9
    Join Date
    Aug 2007
    Location
    Perth
    Posts
    21

    Default

    Quote Originally Posted by Bleedin Thumb View Post
    Why dont you run your joists perpendicular to your house (IMO the correct way) so you are talking about 1M lengths - it doesn't really matter then and there is less cutting of the decking boards and your inside bearer can be attached to the house so less posts?
    Great suggestion

Similar Threads

  1. Joist spacing
    By snowyskiesau in forum FLOORING, DECKING, STUMPS, etc.
    Replies: 7
    Last Post: 19th July 2006, 12:32 AM

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