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  1. superdeepsix

    Cross bracing after joist sistering

    Thanks for all the help. I just finished sistering my cracked kitchen floor joists with 3 2x8 lvls. Wasn't fun but it the result is amazing... But I have a few questions.I removed 4 joist bay worth of cross bracing during the sistering process. Do I: 1. need to replace the cross bracing...
  2. superdeepsix

    Sistering joists with smaller dimenisional members

    To all structural engineers: Can you sister an existing joist using smaller dimensional lumber? For instance I have a 12 ft span with 2x10s Douglas Fir spaced 16". O.C. I want to add 2x8 Douglas Fir sisters across entire span, to each bearing point(mudsill to center I beam), as I can easily...

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