Housing joint
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Mark Armstrong.
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25 July 2013 at 10:02 pm #15288
I have never quite understood why a Housing joint is called a Dado joint I know its an American term but still can’t get My head round it.
I have always known a Dado or to correctly put it Dado rail/chair rail as a moulding of some description fixed to a wall about 30/40 inches from floor.Just had a look in dictionary on computer this is what it said:
Dado |ˈdeɪdəʊ|
noun ( pl. dados )
1 the lower part of the wall of a room, below about waist height, when decorated differently from the upper part.
• short for dado rail.
2 N. Amer.a groove cut in the face of a board, into which the edge of another board is fixed.
3 Architecture the part of a pedestal between the base and the cornice.
ORIGIN mid 17th cent. (denoting the main part of a pedestal, above the base): from Italian, literally ‘dice or cube’, from Latin datum ‘something given, starting point’ (see datum) .
Dose any one of our American friends Know any history why this came to be called a Dado.25 July 2013 at 10:11 pm #15289I don’t know the origin of the term “Dado”, but to add confusion to the discussion, it is called a Dado when it is across the grain. If it is cut with the grain it is called a Groove.
25 July 2013 at 11:06 pm #15293@crance
The plot thickens
Groove |gruːv|
noun
1 a long, narrow cut or depression in a hard material.
I agree with British dictionary statement above. The narrow comes to mind and for me would go in either direction.Like I said for the last 30 years I have only ever known to be called Housing joint.
The other thing starting to do my head in is Chip breaker It’s a CAP IRON
I love questions like this since the journey is usually very interesting.
This site makes a valiant attempt to determine the origin of the term “dado”, with many sources dating back to the late 1800’s, but ultimately falls short:
I will query some other sources.
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