I made my first biscuited miter joint last week; with two 15" wide panels and three biscuits.It did not come out well; no matter how much I fussed with it I couldn't eliminate the gap. Possibly no one would have noticed it, but I sure didn't like it. (it couldn't have been too bad, as it held my full weight jumping on it...)So, I am redoing it, being more careful that my cuts are perfect, and only using two biscuits.Well, when I dry-fit it, there still a gap I can't get rid of; the gap is uniform all across, so my cuts are good. I marked up a biscuit with a central line, and the central line falls exactly on the edge of the slot. I have thinking that maybe the clamping on 90degree joints is adequate to make it work, but the clamping on 45degree joints won't push them together, and I have to make my slots a hair deeper.Does this make any sense, or is my problem likely to be elsewhere?I am not thrilled about the recutting my slots, as they are likely to end up a bit wider than I would like; maybe I can get away with just deepening one side?

What size biscuits? If they're 20s and you substitute a 10, does it goaway?

Biscuiting a miter joint?

Aug 14, 2006 21 Replies

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Toller 19 years ago

ah, because the wide ones caused a gap in my joint while the narrow ones worked. You amaze easily.

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mac davis 19 years ago

Try repeating the measurement after microwaving the biscuits for about 20 seconds on medium... Amazing difference in moisture holding ability between individual biscuits... and I was using "brand name" biscuits, too... lol

Mac

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