How do uPVC window hinges work?

uPVC casement windows have what are known as friction stays on the hinges. These operate by adding friction to make the window stiffer to open or the opposite, less friction, making it easier to open. To fix a stiff or loose window, simply turn the screw the right way to adjust the friction stay on the window hinge.

What is a friction stay hinge?

Friction stay hinges are a variable window hinge which enables the secure opening and closing of windows. As the name suggests, an adjustable friction slide helps to hold the window in an open position.

What is the stack height on a window hinge?

13mm and 17mm
With the friction stay fully closed so that all of the arms are stacked on top of each other, measure from the bottom arm of the stay to the top arm. This measurement is the stack height. The standard stack heights for friction stays are 13mm and 17mm.

Is my window top or side hung?

Check the hanging of your window. If the handle is on the SIDE of the window, you need SIDE Hung Window hinges. If the handle is at the BOTTOM of the the window you need TOP HUNG hinges.

Why are my double glazed windows draughty?

If you notice draughts coming from your double glazed windows, this is usually a sign that the windows are not closing properly. To diagnose the problem, close the window and check the side with the hinges. If there is a gap between the sash and the frame, then this means your hinges are damaged.

What are pivot hinges used for?

A pivot hinge allows a door to pivot from a single point at the top and bottom of the door. Pivot hinges are attached to the top and bottom of a door, and to the head of the frame and the floor and allow a door to swing in either direction.

How do you fit window friction hinges?

Friction Hinge Fitting Guide

Place the Friction Hinge nose bar onto the sash eurogroove and fix in position. The position will depend upon the window profile used.
Fit the sash to the frame. Ensure that the nose caps are pushed up to the frame corner and fix in position.

How do you measure a double glazed window hinge?

How to measure your window hinges

Measure the length of the hinge.(A) The length is the track part that you can see when you open your window.
Measure the width of the hinge. ( B)
Measure the stack height.
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How do you measure a window hinge stack?

The final measurement is the stack height. The easiest way to measure stack height is to open the window just wide enough to slot a ruler between the window and the frame. But the ruler against the frame and estimate the distance to the bottom of the window itself.

What are window hinges?

Window hinges use friction to keep windows open at the required angle. Look for key features such as installation type, depending on the type of window opening, as well as a selection of different sizes to suit all windows.