In article ,
Stuart Noble wrote:
There are loads of joints in the skirting in this Victorian house -
especially in the hall, to the stairs etc. And all are 90 degrees. They
are overlapped types where each part is reduced to half thickness.


Known as an "R flap" (or half lap if you speak proper).

Right - never heard the first one before.

--
*Remember not to forget that which you do not need to know.*

Dave Plowman London SW
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