Ventilation
An outward-opening sash can direct fresh air into a room.
WINDOORLY / WINDOW STYLES
Casement Windows
Casement windows are hinged at the side and open outward, offering a clear view and ventilation from an operable sash.
Getting to Know the Style
About Casement Windows
A casement window uses a sash hinged on one side, usually operated with a crank. It opens outward rather than sliding past another sash, making it a useful choice when you want an unobstructed view through a single opening. It can be installed individually or combined with other window styles.
Finding the Right Fit
Where they work well
Consider casements in living rooms, bedrooms and kitchens where you want ventilation and can comfortably reach the operator. They are especially useful above a counter when a crank is easier to reach than a sliding sash. Check the exterior before choosing this style: an open sash should not obstruct a walkway, deck or neighbouring feature.
Explore Your Options
What to consider
The right choice depends on your home, the opening and how you use the space.
Operation
A handle and crank typically open and close the sash.
Clearance
Check for walkways, landscaping or other obstructions outside the opening.
Make It Your Own
Design and product choices
Consider these details as you compare options for your home.
Hinge and opening direction
Choose the side that gives you convenient access to the handle and works with nearby walls or other windows.
Glass and frame
Compare frame finishes, glazing and energy-performance ratings suited to your home and local climate.
Screens and hardware
Ask about screen placement, crank handles and locking hardware, including how easily you can reach and operate them.
Planning Your Project
Assessment and installation
We assess the existing frame and opening, take measurements and discuss whether the proposed work involves replacing the window within the existing frame or a broader installation. Exterior clearance, trim, insulation and any damage around the opening affect the scope and quote.
Looking After Your Windows
Care and maintenance
Clean the glass and frame using products recommended by the manufacturer. Keep the hardware clear of debris, check the seals periodically and avoid forcing a sash that becomes difficult to operate.
FAQ
Frequently asked questions about casement windows
Do casement windows open all the way?
The opening angle depends on the window and its hardware. Ask about the specific product and check that there is adequate space outside.
Can a casement window be installed over a sink?
It can be a practical option because a crank may be easier to reach. The counter, handle position and opening should be checked first.
Are casement windows suitable next to a walkway?
An outward-opening sash may obstruct a walkway. A slider or another configuration may be more suitable where clearance is limited.
What affects the price?
Size, frame material, glass, hardware, installation method and the condition of the opening all affect the estimate.
Plan your project
Helpful window & door guides
Practical advice to help you diagnose a problem, compare repair and replacement, and plan the work.
Window Repair vs Replacement in Canada
A practical decision guide for Canadian homeowners: when a window can be repaired, when replacement makes more sense, and how to compare the options.
Read the guide →Window Replacement Cost in Canada (2026 Guide)
A practical 2026 budget guide to Canadian window replacement, including per-window ranges, what changes the price, and how to compare quotes.
Read the guide →How Long Do Windows Last in Canada?
A practical guide to window lifespan in Canadian conditions, the parts that fail first, and how to tell whether repair or replacement is the better investment.
Read the guide →More Styles
Explore other window options
Awning Windows
Awning windows hinge at the top and open outward from the bottom, making them a useful option for ventilation in a range of rooms.
Slider Windows
Slider windows open horizontally along a track, providing ventilation without a sash swinging into the room or outdoors.
Bay Windows
Bay windows combine angled window sections that project beyond the exterior wall, creating a distinct focal point and bringing light into the room.
Bow Windows
Bow windows bring several window sections together in a gentle outward curve, creating a broad view and an architectural feature.
Ready to transform your space?
Request a free, no-obligation estimate for your window or door project today.