Window friction stays are a type of hardware used to keep windows in place by providing frictional resistance to their movement. There are different types of window friction stays, including:
1. Standard friction stay: This type of friction stay is the most common and is used on most types of windows. It consists of two pieces, one fixed to the window frame and the other to the sash, and allows the window to be opened and closed while providing resistance to movement.
2. Egress friction stay: This type of friction stay is used in situations where a window needs to open wider to allow for emergency escape. It functions in the same way as a standard friction stay but allows the window to be fully opened to a specific angle.
3. Restrictor friction stay: This type of friction stay is used to restrict the opening of a window to a specific angle. It is commonly used in situations where children are present or where there is a risk of falling from a high window.
4. Heavy-duty friction stay: This type of friction stay is designed for use on larger or heavier windows, such as those found in commercial or industrial buildings. It provides a greater level of resistance to movement than standard friction stays.
Overall, the function of window friction stays is to provide resistance to the movement of a window and to keep it in a desired position. This helps to improve the safety and security of the window and can also improve its energy efficiency by preventing drafts.
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