Tongue and groove in 1/2" wood?


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Old 09-20-21, 07:57 AM
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Tongue and groove in 1/2" wood?

Is there a router bit that can do tongue and groove in 1/2" pine?
I'm only finding 1/4" bits which seems like it might tear out some of the material.
Am wondering what to use
 

Last edited by qwertyjjj; 09-20-21 at 09:14 AM.
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Old 09-20-21, 08:54 AM
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You could create a kerf joint on a table saw but it will be tedious. Consider a half lap joint using rabbet cuts.

If not on a floor you could use a scarf joint. Not usually done along a length but depending on what you are looking for it might work.

Unfortunately the nail heads will show in the above cases.

A finger joint?

Couple of T&G bit sets here mention 1/2 inch settings as well as 3/4.
 
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Old 09-20-21, 11:27 AM
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It's to put some wood planks on a ceiling in a kitchen. I be guess the half lap might work just worried about little movements creating a non flat surface in future and the planks moving apart.
 
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Old 09-20-21, 11:53 AM
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Just Google "mini tongue and groove router bits" and you will find lots of options.
 
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Old 09-20-21, 12:19 PM
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Here is some basic info about wood movement.

The whole point of T&G, half laps and scarfing is to accommodate the wood movement and not allow "through cracks" to show. Dealing with it is more critical in cabinetry and fine furniture. A wood ceiling is expected to show some character and part of that is the effect of the joinery and the wood movement. In older homes beadboard was often used for ceilings and the presence of grooves in the solid pieces helped to mask the joints because the pattern was expected.
 
 

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