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How to install casement window stays

A person marking the position of a window stay on a timber window using a pencil

Overview

The stay arm is a great way to tightly lock a casement window in place. We'll teach you how to install the arm onto the window properly. You will also learn how to install the arm fixers so the window closes tightly on the frame.

Steps

1Mount the casement window stay onto the window frame

Place your stay on the window frame, slightly off-centre, away from the hinged side of the window. Then use a pencil to mark where the first screw hole should go. Now remove the stay, open your window, drill a pilot hole and screw the stay onto the frame. Now the stay is in place, screw the pilot hole for the second screw and drive it into place.
A person marking the position of a window stay on a timber window using a pencil

2Install the casement window stay fixers to the bottom of the window frame

Close the window and position the first fixer in the first hole of the stay arm. Mark where the fixer sits on the frame, then remove the arm, drill pilot holes and screw the fixer into place. Now put the second fixer in the final hole of the arm, push the arm tight against the window and mark where it sits. Once again, remove the arm and drill pilot holes. Then screw the fixer into place, replace the casement stay arm and the job is done.
Drilling a hole for a window stay fixer on a window sill
Health & Safety

Asbestos, lead-based paints and copper chromium arsenic (CCA) treated timber are health hazards you need to look out for when renovating older homes. These substances can easily be disturbed when renovating and exposure to them can cause a range of life-threatening diseases and conditions including cancer. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page.

When following our advice in our D.I.Y. videos, make sure you use all equipment, including PPE, safely by following the manufacturer’s instructions. Check that the equipment is suitable for the task and that PPE fits properly. If you are unsure, hire an expert to do the job or talk to a Bunnings Team Member.