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understanding casement windows
Saturday, June 23 2012
The window I was building for the east wall of the new greenhouse upstairs would be a casement window. Casement windows have special hinges designed to push the sash away from one edge as it is pivoted outward. I didn't know anything about these mechanisms before I found myself needing to assembled this window from diverse components. The sash itself was a leftover from when our house had originally been built (it's identical to two such sashes used to make the laboratory's casement windows). But it had come with none of the necessary hardware, so I'd had to buy the casement hinges on eBay (the kind I'd managed to find looked to be vintage casement hinges dating to the 1960s). Yesterday I'd fabricated the frame (or, perhaps, casement) for housing the sash, and today I put them all together. The fit was a little off and I found myself having to countersink part of the hinge into the frame to make enough room for the sash. When I installed it in the greenhouse, the fit was very snug. The movement of the window as a little stiff, but that's actually a good thing. I won't be installing a crank casement operator; if I need to open the window I'll just be unlatching it and pushing it to where I want it to be (as I do with the laboratory window that doubles as a door to the laboratory deck).
[REDACTED]
The new casement window, open.
The new casement window, closed.
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