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Ashlar Pieces/Posts

- a short vertical timber which runs down the inner face of the wallhead. It is morticed into a rafter at a point near its foot, and is also usually connected to the rafter by a timber spanning the wallhead, which effectively forms a timber triangle. The ashler post, in pressing against the wallhead, prevents the roof from spreading outwards.(rather confusingly it has nothing to do with ashlar stonework)
(Illustration).