I am planning to build a 38 inch wide 12/4 mahogany door with a thermal window for my front entrance. Although I am a reasonably experienced wood working I am a bit afraid of making large mortise and tenons – and I like to make things as simply as possible. So I am considering two alternatives:
Can I glue up the 12/4 rail and style out of three 4/4 pieces and glue them up such that I create both the mortise and the tenon “artificially”. So, for the rail I would run the middle piece of 4/4 long to create a tenon and for the style I would leave a piece out to create the mortise?
If you don`t like that – how about using domino joints? Are they strong enough?
Any advice would be appreciated.
Replies
The laminated approach should work fine. I can't say I have any experience with it, though.
Thinking it through, the only concern that comes to mind would be that last section that makes up the top shoulder of the faux mortise. Being such a small piece you don't have much glue surface, and if your tenons expand enough to put pressure on the mortise, that little glued-in block seems like the weak spot. Perhaps you could peg that piece.
I bet Festool would say you can use the Domino, but the tenons that comes with it are too small to make this work for the long haul. Exterior doors take a real beating from weather, which is why that big through tenon really comes in handy.
- Matt
Many thanks
I don`t know if you noticed, but I also posted by question on knots. It has provoked a very lively debate - to say the least.
I am inclined to give the m & T a try to be able, if nothing else, to say I used the tradititional method.
If I did go for dominos I was thinking of running a spline along the top and bottom of the door to add strength and resist spliting. I once levered a biscuit joint apart and as you would expect it split the stile along the grain beside the biscuit. I figureid that running a spline against the grain would have effect of a through tennon...but easier to build. Can you think of any reason that won`t work?
ap
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