For the tongue use a regular blade also.
Tongue and groove with table saw.
The easiest method and the one i most commonly use is to use the table saw for both the tongue and the groove.
It could be 1 4 to 3 16ths wide.
The tongue and groove is one of the most basic and useful joints.
The cuts made when creating the two mating workpieces of a tongue and groove joint are non through cuts meaning that the saw blade never goes all the way through the wood.
When making tongue and groove with a table saw it s always important to practice safety at all times.
Measure the face width of the existing flooring add the width of its tongue then set the table saw s fence that same distance away.
Measure your tongue opening to try and get the proper fit but use a scrap piece to make trial cuts until you get a snug fit.
When joining two matched boards into one a tongue and groove joint is much stronger than a simple butt joint.
Tongue and groove is one of the strong wood joints used to fit similar wood boards together to create a.
I use the two outside cutters to produce a 1 4 cut width when working 3 4 stock.
Using the table saw is easiest when all the material stock is the same thickness.
Run your piece on both sides.
Make the usual double pass to guarantee that your groove is exactly centered.
In our case the legs are much thicker than the rails so we can t flip the boards end for end to center the groove.
To produce a tongue and groove on the table saw use a dado cutter rather than your everyday blade unless your stock is 3 8 or less in thickness.
Save yourself a bundle by cutting your own wood to width.
The tongue and groove joint can be easily created using a router with a matched set of router bits or on a table saw using a stacked dado blade set.
Setting the tongue and groove of the new board.