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Joist hanger question

Discussion in 'Building' started by Jack07, 26 Apr 2020.

  1. Jack07

    Jack07

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    Quick question.

    My 7" joist are going to hang from a 6" wall plate with joist hangers.

    Do I leave the extra 1" above or below the wall plate?

    Or does it not matter?

    Thanks Jack
     
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  3. noseall

    noseall

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    Is it a floor or ceiling? If neither then flush at the bottom.
     
  4. Jack07

    Jack07

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    Its an extension for a garage and utility. So ceiling in one part and open in another.

    I've just marked it out and if I could get away with hanging them flush at the top in the garage section, it would enable me to leave a gas pipe run in the void! Getting a gas engineer out at the moment is a struggle

    The plasterboard ceiling part is fine
     
  5. johnny2007

    johnny2007

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    Surely the wall plate has been positioned to take the joists with the joist hanger at the bottom, where there's a lip to place it flush.
    And surely you will know where you want it.
    Or not?
     
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  7. Jack07

    Jack07

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    No, as the wall plate hasn't been fixed yet.

    There are a couple of pipes in the way and rather than waiting for a gas engineer to re-route, I can just position the plate to allow for these (they will be removed eventually)

    I just wanted to know if anyone could see a problem with a joist hanging 1" lower then the wall plate. The hangers are long enough.
     
  8. johnny2007

    johnny2007

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    It's not a problem, but as the hangers have bottom stops to hang them flush with the bottom, fixing the wall plate to accommodate this would surely be a lot easier.
    Then, if there are pipes in the way and they won't spoil the finished product, by all means, do it.
    I only had to fix hangers lower than bottom on one occasion when we had a well wonky wall to rest one end of the joists and a straight (levelled) wall plate.
     
  9. ^woody^

    ^woody^

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    You don't use hangers on a wall plate!
     
  10. johnny2007

    johnny2007

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    Yes, we had this argument on another thread.
    It's called something else that i don't remember.
    Anyhow, i was referring to the piece of wood that you fix to a wall, not on top of it.
    I now know all builders i ever encountered were wrong in calling it a wall plate
     
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