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    Vic Tor's Avatar
    Vic Tor Posts: 1, Reputation: 1
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    #1

    Dec 5, 2012, 05:27 PM
    4X12 beam, is OK to span 21 feet?
    SINGLE FAMILY One story building in City of LA 's Building code, is it OK to span 4 X 12 Beam to have a span of 21 Feet.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Dec 5, 2012, 08:21 PM
    What type of beam -solid, laminated? What kind of roof structure? Stick or truss? Across the gable or with the gable?
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