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Thread: F17 vs HYSPAN

  1. 4th January 2008, 09:19 AM #1
    gg23
    gg23 is offline Intermediate Member
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    Default F17 vs HYSPAN

    hi,
    In the process of installing joists for new extension. Plans asked for 95x45 hyspan lvl joists. Cleared with engineer that is ok to use f17 instead of LVL. Ordered 95x45 F17 but received 90x45 F17. Will this 5mm make that much difference? Is the F17 rated higher than the LVL and if so will this allow for a height (ie 90 instead of 95).

    Any advice greatly appreciated.

    Thanks
    Greg
  2. 4th January 2008, 02:55 PM #2
    ausdesign's Avatar
    ausdesign
    ausdesign is offline Building Designer
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    Although it doesn't have an F rating the LVL most likely would come in at F14.
    I personally think the F17 will be OK.
    Peter Clarkson

    www.ausdesign.com.au

    This information is intended to provide general information only.
    It does not purport to be a comprehensive advice.
  3. 4th January 2008, 04:54 PM #3
    gg23
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    Quote Originally Posted by ausdesign View Post
    Although it doesn't have an F rating the LVL most likely would come in at F14.
    I personally think the F17 will be OK.
    thanks paul, Im hoping that that is the case. Just waiting on engineer to get back from holidays to confirm.

    greg
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