Casement windows have a push button or key lock. To open, turn the key if locked, push the button and turn the handle to close, turn the handle again and if the handle is lockable turn the key.

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Some window hinges may be supplied with restrictors which reduce the opening of your windows, to fully open there will be a quick release button or hook and peg which will open the window further.

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Egress hinges go one step further and allow the window to open to 90 degrees for emergency access in the event of a fire.

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Another type of hinge are Egress easy clean. These feature a button located on the top and bottom of the sash which allows the sash to slide for easy cleaning.

 

• Open the window fully and locate the button on the top and bottom hinges.

• Press one button and slightly slide the window towards the centre of the opening. Repeat for the second button.

• Use both hands to slide the window evenly.

• To rest the hinges to their normal operating mode simply close the window.