Casement windows hinge open on friction stays. Here's what they do and why they matter to how the window feels and lasts.
A friction stay is the hinged arm that lets a casement swing open and holds it at any angle without slamming or drifting. The 'friction' is what keeps the sash where you set it.
A good stay holds the sash steadily through years of use and carries the sash weight without sagging. A poor one loosens, letting the sash drop or bang in the wind.
Like rollers, stays must suit the sash size and weight. Correctly specified, they keep a casement opening and closing cleanly for years.
The hinged arm on a casement window that lets it swing open and holds it at any angle without drifting or slamming.
A quality stay holds the sash steadily for years and carries its weight without sagging; a poor one loosens and lets the sash drop or bang.
Yes — stays must be sized to the sash weight, like rollers, to work cleanly over time.
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