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Thread: Corners - What type of Joinery or Miter

  1. #1

    Corners - What type of Joinery or Miter

    Im building Walnut columns for a home theater. I am trying to build something just like this: http://elitetrimworks.com/Square-Col...rry-Maple.html

    My question is this - how do I work the corners. The picture looks like a simple miter, however, these things are 86" hight and that is a long run for a simple miter joint, and too long for a lock miter I would guess unless you had some very very strait wood. Any suggestions? Thanks.

    Dave

  2. #2
    I would guess they are using simple miters on those and leaving it up to the person on site to assemble.

  3. #3
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    Simple miters with biscuits, using band clamps to hold it all together till the glue dries?
    Last edited by Mike Ontko; 07-28-2014 at 3:35 PM.

  4. #4
    Biscuits make complete sense. Thanks for the input guys. I assume that would be the best solution, right?

  5. #5
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    Another alternative would be a splined miter joint.
    Ken

    So much to learn, so little time.....

  6. #6
    would that be feasible on an 4' + miter joint? I know its a strong joint and I see them on shorter runs (i.e. frames). I think it would definitely add to the aesthetic appeal. Thanks Ken

  7. #7
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    Dave,

    I think you are thinking of "keyed miters" like those used on decorative boxes.

    What I am referring to is a splined miter where you cut a slot the entire length of the miter joint (both pieces) and put a spline into the slot. The spline is invisible but strengthens and aligns both pieces.

    Think of it as a rectangular "biscuit" that runs the entire length of the miter joint. The slot in the miter can easily be cut on a table saw.
    Ken

    So much to learn, so little time.....

  8. #8
    So its basically a lock miter joint? Sorry for all the questions

  9. #9
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    Dave,

    Don't apologize for asking questions.

    Here's a link to what I was referring as a splined miter joint. It's similar to a lock miter except, you cut a groove in both sides of the miter using a table saw with the blade tipped to 45º. Here's the link to an example: https://www.google.com/search?q=spli...%3B3072%3B2304
    Ken

    So much to learn, so little time.....

  10. #10
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    Quote Originally Posted by Ken Fitzgerald View Post

    What I am referring to is a splined miter where you cut a slot the entire length of the miter joint (both pieces) and put a spline into the slot. The spline is invisible but strengthens and aligns both pieces.

    Think of it as a rectangular "biscuit" that runs the entire length of the miter joint. The slot in the miter can easily be cut on a table saw.
    ..And since the column is hollow and the inside not seen, the spline slot doesn't have to be in the miter cut but can be up the side a little bit for the deepest possible cut and more stable joint. Just make sure, as always for a splined joint, not to make the spline too wide or it will not allow the joint to be closed properly.

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