Biscuit joint

Like the dowel or false tenon joint, this type of joint is based on the insertion of a piece of wood in the parts to be joined. In the present case, the piece consists of a compressed wooden strip (called a “biscuit”) that enlarges in the slit where it is inserted (thanks to the glue’s humidity), thus making a very sturdy joint.

Very easy and quick to produce, thanks to the biscuit joiner (a specialized tool that is highly accurate), this type of joint is adopted by more and more do-it-yourselfers, from amateurs to professionals.
Difficulty level :
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When
The tools
How
1. Draw the reference point on A
2. Make the slit
3. Draw the reference point on B
4. Do a pre-assembly
5. Proceed to the final assembly
6. Variation
7. To strengthen joints

When

Used for making various assemblies, such as furniture, drawers and cupboard doors, biscuits are particularly suited for joining parts connected by their slice, for example to laterally join several boards intended to form a tabletop.

The tools

Biscuit joiner.
Note: An adapter is used for changing an angle grinder into a biscuit joiner, because the overall shape of these two tools is very similar.

It is also possible to use a router, with the appropriate bit, but the technique is different from the one described below, and takes a little more time, in addition to requiring a good mastery of the tool. This technique is not described here.
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