Monday 27 July 2009

Hinged sash



Or hopefully, to call it by its correct name, a side-hung hinged sash (to distinguish from common or garden sash, or the even more plebian horizontal sliding sash). Anyway, finally I get round to posting about the 'opening part of a casement window'. Firstly, it is important to note that the mortice and tenons are jointed the opposite way to the main frame of the window. See the diagram to the right.

Measure the opening the sash has to fit into, reduce by a mm on all edges, to allow the window to open. Then cut the joints (with the elbows), drill slightly staggered holes to peg the frame together (see earlier posts for more details), glue, peg and clamp in place. In the absence of sash clamps I use my work bench. I would also recommend pegging the frame together on both sides (a message from experience) to prevent the frame bending.

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