Tomorrow I am gluing up my first panels since I bought a biscuit joiner.
Although I have never had any problems without using it, as long as I have
it I might as well stick a few biscuits in.
Is there any reason not to do this that I might be overlooking?
Probably not, they will help with alignment of the panels when glue-up time
Some say they add a degree of extra strength, others don't. There is a bit
of a debate on that one.
Just ensure you mark all your panels appropriately so you are referencing
the correct faces when cutting your slots to ensure they all line up nicely
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Don't finish sand the face until the glue dries overnight. The areas
where the glue and biscuit are may swell. If you sand or plane them
too early you may end up with depressions where the biscuits are.
=================================================Even thought I do own a biscuit joiner I very rarely haul it out to
glue up some panels...normally not needed and if it is not needed AND
takes me extra time I just do not do it...
Other then that go ahead and use ti.... helps keep things in alignment
Hmm, reasons not to:
1. NOT a stronger joint
2. Takes longer to apply glue to all the biscuits/slots
3. Wastes good biscuits
4. Always seems to result in more glue squeeze out
Never been a big fan of biscuits, but I've got to say that using them when
gluing flat panels the past few months has made a convert out of me, at
least for that particular application ... to the point that I would now
hesitate to do a flat panel glue up without them.
AAMOF, I somehow managed to break the fence on my 557 last week and put off
a glue-up until the part came in yesterday.
The use of bisquits is generally for alignment. I use them for larger
panels. It makes the glue-up go easier. For smaller panels, I don't use
bisquits. With proper milling, there won't be a need for alignment and a
properly glued joint is stronger than the wood. Also, make sure the biscuit
is not in an area that is exposed when cutting the panel to size or raising
I am fairly new to laminating panels, so I thought biscuits would help
ensure perfect edge-to-edge joints--not so! Even with great attention
to alignment of the fence against the wood surfaces, I could not get a
perfectly smooth surface. I think the problem is that there is a
little bit of play between the biscuit and the sides of the biscuit
Out of frustration I finally broke down and bought a Dowelmax jig.
Although it was expensive, I now get PERFECTLY aligned panels.
Mr Fixit eh
Being admittedly new to panel glue-ups, and nothing being perfect, you may
eventually find that "little bit of play" with biscuits a good thing when
My experience is that thumb pressure with one hand on one of those pesky
spots that is just a scootch off, while you tighten the clamps with the
other hand, will generally bring boards into alignment _much_ easier than if
dowels are used.
That said, anything that works for you all the time, is right for you.
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