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Timber framing joints

AndyP

AndyP

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We went to Ightham Mote (http://www.nationaltrust.org.uk/ightham-mote/) last weekend. Highly recommended, lots of woodwork on show from various periods and the sunday lunch was very good too.

In an exhibition on how the restoration was done (it was a wreck when the NT took it over) I spied the following joints.

A Scissor Scarf joint




A Bridled, edged halved lapped joint




And my favourite, but sadly without a name.




I hope Mike G is going to incorporate something similar in his workshop build.
 
Those are rather nice, Andy and so many thanks for sharing.

Mind you, a couple of Domino's would probably work just as well. :eusa-whistle:
 
Fantastic but then again centuries of experience working with wood.

Somebody on the other Forum showed a fancy scarf joint with wedges.

Rod
 
Andyp":17o78b9b said:
..........
And my favourite, but sadly without a name.
......
Click to expand...
Yes it has....the tie beam lap dovetail assembly. This is just about the defining joint of British timber framing, and is the signature joint of most eastern and lowland work from the 14th/ 15th century onwards. I am less sure about framing in the west of Britain, and in the hills.

Oddly, and it has me very confused, the cottage/ hovel we have just moved to doesn't have the storey posts meeting the wall plates at the tie locations, so this joint doesn't feature. Frankly, it just doesn't feel right.

Andyp":17o78b9b said:
I hope Mike G is going to incorporate something similar in his workshop build.
Click to expand...

Not in my workshop, but there will be lots of traditional green oak work in my renovations/ extensions of the house, starting soon.

My favourite scarf joint features two wedges, but I can't find it right now. I also love the face-halved scarf (a variation on the edge-halved scarf you show).
 
Interesting stuff.

Hey Andy, there's a project for you - the top two joints 8-)

You could make them and fix them to a stand and show them off as a woodworker's jointing sculptural ornament.

Go on Sir, give it a bash! 8-)
 
Mike G":2ffwmc32 said:
there will be lots of traditional green oak work in my renovations/ extensions of the house, starting soon.
Click to expand...

I, for one, am looking forward to that immensely
 
Pinch":3cvr2q2o said:
Interesting stuff.

Hey Andy, there's a project for you - the top two joints 8-)

You could make them and fix them to a stand and show them off as a woodworker's jointing sculptural ornament.

Go on Sir, give it a bash! 8-)
Click to expand...

Paul, I do wish you hadn't said that. :D If I can find some hints on how to lay out that scissor joint I may just have to give it a try.
Thanks for only suggesting I try the top two joints, you obviously realise that the "tie beam lap dovetail assembly" is way beyond me.
 
Mike G":3v0s78vn said:
My favourite scarf joint features two wedges, but I can't find it right now.
Click to expand...


Mike I think you mean the stopped and splayed wedged scarf joint.

I also like these. I found it really useful when doing my workshop roof which needed a ridge board 10m long.

I made it in three sections with templates for the joints. I was working on my own and using 3.5m sections at a time was far easier. Working along adding rafters, when I got to the end I could prop one end of the next section of ridge, align with the existing piece and pop in the folding wedges and then adjust everything just so before driving them home and securing with a screw.

stop-splayed-wedged-scarf-joint.jpg
 
That's the one Bob, and your explanation of it under construction is one of the two principle reasons for its existence. The other is that if the timber shrinks, you can tighten up the joint by giving the folding wedges (which you've deliberately left proud for the purpose) a tap with a hammer.
 
9fingers":1xwn6fyx said:
.........BTW Mike- Belated birthday greetings for yesterday!! :obscene-drinkingcheers:

Bob
Click to expand...

Thanks Bob
 
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