Exterior Oak Door / Correct method for the centre panel?
Hello, I’ve been asked to make a variation of the door in the picture, a single door in the same sort of style but with a straight section at the top rather than one at an angle or a curve. My question is the best method for joining the large plank section into the frame? I intend on a large, pegged mortice and tenon joint for the actual frame. The plank section in the centre will be glued together with biscuits and then the whole panel will ‘float’ in a rebate in the frame. The frame itself would be around 45mm thick. Any ideas if this is the best method or how to improve on this would be appreciated. Thanks, Martin.
Replies
hi z,
the "plank section" in the middle will require plenty of expansion room where it is let into the stiles. are you planning to include those beautiful little lights also? i really like the look of that door, and the angle of the top rail is a nice design feature.
eef
Hi,
Yes, I do some leaded glass work also and intend on making a small leaded glass unit that I will then sit inside some triple glazing.
M.
The design would appear to be a classic type of construction using T&G boards to make up the panel. Each board would be pinned at their center lines into the grooved top and bottom rails but would otherwise would be free to move. The advantage to this is that the wood movement is spread over as many joints as possible so it is less noticeable.
Those top and bottom rails are wide enough that they will need be able to expand and contract freely also. When you pin the joints the pins closest to the top and bottom edges should be conventional but the pins further in should have slotted holes in the tenons.
Thanks for the info.
What would you suggest I used to pin the T&G boards, would an oak dowel be OK? What would be the best technique to allow movement in the top and bottom rails?
Thanks again,
Martin.
A variation involves making the center panel as a sandwhich with a thin insulating sheet between the interior and exterior panels. This will allow each side to react to their respective climates without interacting. I would, as John suggests, center-pin each plank.
Doug
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