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  1. jonrichard1

    New Floor Joists

    These posts are making me feel a lot better. However, I am unclear as to weather I should sister the joists to the existing ones, or let them stand on their own. Some say yes, others say no. If I chooose NOT to attach the new joists to the old (drumroll please) how do I effectively nail/screw...
  2. jonrichard1

    New Floor Joists

    The engineer I consulted said 2x8 was the minimum and the 2x6's that were in place would not do. Because the bathroom will be relatively close to the stack, hot/cold pipes, etc, 2x8's should do the trick. Per his recommendation, I went ahead and bought/cut all the necessary joists. Essentially...
  3. jonrichard1

    New Floor Joists

    The joists are twelve feet long. An engineer told us this is what we needed to do, however he did not mention the proper size lag screws, washers, etc. In one section of the attic two of the 2x8x12 will overlap -this in order to span the length of the house.
  4. jonrichard1

    New Floor Joists

    My attic is getting all new floor joists. Currently, the joists are 2x6x12 - but we want to put a bathroom/closet down, therefore I'm installing 2x8x12 (to meet standards). I plan on sistering the new joists to the old joists. Can anyone tell me the correct procedure? Bolt size, number of...
  5. jonrichard1

    Notched Joists - help

    Instead of drilling holes into our ceiling joists (putting in a bathroom/closet in the attic) my plumber actually NOTCHED out holes from the top of several joists! In order to resupport these beams, can I just add on sister joists?

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