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    3" pvc throught floor joists

    Thanks! Thanks gentlemen!
  2. P

    3" pvc throught floor joists

    Greetings, I need to run 3" pvc through several 2x10 floor joists. I have checked the code and I need to be 2" from top and bottom of Joist with my hole and hole can not be more then 1/3 of depth of joist (which this will be). I understand that I should sister 2x4 material to the joists. Could...
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