wrote in message
...
On Aug 6, 1:37 pm, Chris Friesen wrote:

You don't need either...just glue should be fine.

True enough.

You can certainly use
biscuits for alignment, but they don't help at all as far as strength of
the joint.

NOT true at all. This seems to be a widely quoted myth parroted
around here amongst the literati.

One minute of research will get EMPIRICAL research to show
differently.
You can get started he

http://tinyurl.com/6qjcu9


I disagree. I did the same test as in figure 2. Used two large, (#20?) PC
biscuits, not three. pieces were 2X4, about 15' long. Set 48 hours with
Titebone #2. I was surprised how easily they (biscuits) broke, 1/2 in each
piece of 2x4. Did not use a scale to measure force. Nothing failed but the
biscuits. I asked the question about the difference between Lamello and PC
here about a year ago. That was not answered, but got all kinds of reasons
it failed. None applicable. After that, biscuits were for alignment, the
added strength was secondary.
I still would like to know if there is a diff between Lamello and PC
biscuits.