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  1. #1
    Join Date
    Mar 2008
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    Willunga
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    Default Cathedral ridgebeam support

    Hi guys,
    long time looker first time poster. Does anyone know how to support a ridge beam at the gable end of a cathedral roof ? I am coming from a traditional roof to cathedral, which i imagine i can fishplate together, but does the other end of the ridgebeam need supporting?
    Someone has suggested a 90mm RHS running inside the wall and the framing can be built around it. You wont see it because it's covered by plasterboard. Oh and this is on a 2 storey house!
    cheers guys

  2. #2
    Join Date
    May 2003
    Location
    Kuranda, paradise, North Qld
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    63
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    90mm RHS would probably work but you'll need to consult an engineer for wall thickness and fastening details for top and bottom connections.

    Mick
    "If you need a machine today and don't buy it,

    tomorrow you will have paid for it and not have it."

    - Henry Ford 1938

  3. #3
    Join Date
    Mar 2007
    Location
    Adelaide South Australia
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    Don't force it, use a bigger hammer.

    Timber is what you use. Wood is what you burn.

  4. #4
    Join Date
    Jan 2006
    Location
    Melbourne
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    My engineer specified RHS for the gable end. Then I attached 90 x 45 to each side so that I could connect the frame work and covered in plaster as you suggested.

  5. #5
    Join Date
    Feb 2003
    Location
    Garvoc VIC AUSTRALIA
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    3,208
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    depends on whether its a loadbearing ridge or not.
    Regards, Bob Thomas

    www.wombatsawmill.com

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