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ridge

  1. cyberwombat

    Gable valley rafter and header sizes

    Hi. I have a 12:12 gable main roof w 2x12 and an LVL ridge board. I have a gable dormer of same pitch and unsure on how how to size the valley rafter for code IRC 2018. I don't really see anything except the part about the ridge beam/board size. I can use a 2z14 here to match so not too big of...
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