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Sash window

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How do sash windows work?

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How a sash window should work

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The science behind sash windows

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DIY Window Sash Replacement Made Easy

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What is the sash on a window?

A sash window or hung sash window is made of one or more movable panels, or "sashes", that form a frame to hold panes of glass, which are often separated from other panes by glazing bars, also known as muntins in the US. Although any window with this style of glazing is technically a sash, the term is used almost exclusively to refer to windows where the glazed panels are opened by sliding vertically, or horizontally in a style known as a "Yorkshire light", sliding sash, or sash and case.
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