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Thread: laminating oak and particle board

  1. #1
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    laminating oak and particle board

    I need to build trestle style legs that are 2 inches thick.
    Id like to use up all the short pieces of oak I have instead ofcutting away from the solid 3 inch thick pieces.
    Will I run into any structural weakness or lack of integrity if I glue up 2 pieces of 3/4 inch white oak with a 3/4 inch piece of particle board in between them?(sandwiched, oak on the outside, particle board on inside)
    Ends wont be seen, so that isnt important.

  2. #2
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    Quote Originally Posted by allen levine View Post
    .
    Will I run into any structural weakness or lack of integrity if I glue up 2 pieces of 3/4 inch white oak with a 3/4 inch piece of particle board in between them?(sandwiched, oak on the outside, particle board on inside)
    Ends wont be seen, so that isnt important.
    yes...
    "There’s a lot of work being done today that doesn’t have any soul in it. The technique may be the utmost perfection, yet it is lifeless. It doesn’t have a soul. I hope my furniture has a soul to it." - Sam Maloof
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  3. #3
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    yes I can do it, or yes it will compromise the strength?

  4. #4
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    Quote Originally Posted by Don Baer View Post
    yes...
    C'mon Don, you're gonna have to try harder than that. An oak/particle board/oak sandwich might not be as strong as an oak/oak/oak sandwich, but without a bit more info about how it's being used, how can you unequivocally dismiss the idea?
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
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  5. #5
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    this is exactly how its being used, only its going to be approx 24-30 inches wide, 27 inches high, and be supporting a much heavier table top.I could also use ash in between as the middle board.
    Attached Thumbnails Attached Thumbnails bed 260 (Medium).jpg  

  6. #6
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    Looking at those legs, I don't see any reason not to use particle board (or better yet MDF) in the middle of the sandwich. You'll have plenty strength. I think I'd put a rectangular hardwood "plug" at the bottom to cover the exposed core material and keep it from getting wet (from spills and mopping and such).

    On the other hand, I'm pretty sure you'd have more than enough strength if the legs were hollow, too. Do you really need the extra weight?
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

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  7. #7
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    Allen,
    From your picture, I don't think you'd even need the particle board in the sandwich.

    Just fasten the two sides to the front and back - sort of a hollow box, or tube.

    Standing vertically, the oak will have plenty of strength, and you won't have to worry about the differing expansion rates of the oak and PB.
    Jim D.
    Adapt, Improvise, Overcome!

  8. #8
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    another vote for hollow legs and plugged bottom, its on the same idea allen as rennise lecturn with the dove in it.. think the egg shell physics and then stand it up on edge you will never crush it
    If in Doubt, Build it Stout!
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    Don't put off today till tomorrow!

  9. #9
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    understood, but Im going to have a top that is pretty hefty.
    Its going to be 1.75 inch thick oak, 41x78, and Im quite sure that will weigh in at close to 200 lbs. I like the hollow idea, save some wood, less glue ups.

  10. #10
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    allen a tube leg system made the same size as your other table would hold up 600lbs with a good strecher to hold it together from racking.. vertical pressure on oak is amazingly strong.
    If in Doubt, Build it Stout!
    One hand washes the other!
    Don't put off today till tomorrow!

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