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Joist Size ?????

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  1. #1
    Novice
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    Sep 2007
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    Newcastle
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    Default Joist Size ?????

    Hi

    I was wanting know what size joist i have to use to span 700-800mm. I was wanting to use treated pine. can i get away with using 90x45mm H3.

    Cheers

  2. #2
    Country Member zathras's Avatar
    Join Date
    Nov 2001
    Location
    Wallan, VIC, Australia
    Age
    58
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    72

    Default

    No Probs.

    F7 TP is typically spec'd for up to 1200mm span as a joist
    Ray

  3. #3
    Rigid Member UteMad's Avatar
    Join Date
    Mar 2007
    Location
    sydney
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    821

    Default

    Hope this helps

    Latest span table for F5 H3 treated pine used in single span for decking says
    90 x 45 is good for 1100mm Single span
    90 x 45 is good for 1300 continuos span ( over 3 or more supports)


    cheers utemad

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