Window replacement
Replace older, damaged or difficult-to-operate windows with options selected for the opening, home and project goals.
Window Installation & Replacement in Innisfil, Ontario
Explore window styles for homes and building projects in Innisfil and surrounding service areas. MK Windows & Doors works with homeowners, builders and contractors on replacement, professional installation, new construction and supply-only projects.
One window company for different project types
Start with the type of work you need. We can then help narrow the window style, glazing, colour and configuration for the project.
Window installation
Professional installation for residential window projects, including measurement, fitting, sealing and final operation checks.
New construction windows
Window supply and installation for new homes, additions, renovations and other residential construction projects.
Window supply
Supply-only window options for homeowners, builders and contractors who already have installation arrangements.
Compare window styles for your home or project
The right style depends on ventilation, view, opening size, room use and the look you want. Review the options below, then contact us for availability and project-specific recommendations.
Awning windows
Built for ventilation. The sash tilts out from the top, so you can leave it open for fresh air even in light rain.
- Ventilates in light rain
- Tight seal when closed
- Pairs above or below larger windows
KitchensBathroomsBasements
Bay windows
A large fixed center pane flanked by two angled windows that project out from the wall , more light, wider views and room for a window seat or display shelf.
- Projects out for extra space
- Fixed center pane for wide views
- Angled side windows open for airflow
Living roomsDining roomsBedrooms
Bow windows
Four or more equal panels set in a gentle curve for a soft, panoramic view that brightens the room and adds curb appeal from the street.
- Soft, panoramic curved view
- Brings in light from several angles
- Adds curb appeal
Living roomsSunroomsFront façades
Casement windows
Side-hinged sashes crank fully open to catch passing breezes and press tight against the frame when closed, helping the sash close firmly against the frame.
- Opens fully to catch breezes
- Seals tight against the frame
- Easy crank operation
KitchensBedroomsHard-to-reach spots
Casement fixed windows
A stationary glass unit with a frame that matches casement windows, so you get a larger, uninterrupted view while nearby operating casements handle the ventilation.
- Stationary glass for larger views
- Matches casement window profiles
- Works in multi-window combinations
Living roomsFeature wallsWindow groupings
Double hung windows
Both sashes slide up and down and tilt in for easy cleaning from inside , a classic look that suits almost any home, from colonial to modern farmhouse.
- Both sashes slide up and down
- Tilts in for easy cleaning
- Suits almost any home style
BedroomsLiving roomsUpper floors
Single tilt slider windows
One sash glides sideways on a smooth track and tilts in for cleaning , ideal for wide, low openings where a crank or lift would be awkward.
- Glides sideways on a smooth track
- Tilts in for easy cleaning
- Fits wide, low openings
BedroomsPatiosWide openings
Slim fixed windows
A narrow stationary frame that puts the focus on the glass, giving large views and transoms a clean, modern look without an operating sash.
- Narrow frame, more visible glass
- Clean, modern appearance
- Easy to combine with other windows
Large viewsTransomsModern homes
Vinyl shutter windows
Adjustable louvers built into the frame let you fine-tune daylight, privacy and airflow throughout the day without opening a large sash.
- Adjustable louvers
- Privacy and light control
- Low-maintenance vinyl
BathroomsBedroomsLaundry rooms
Architectural shape windows
Curves, arches and custom angles for openings where a standard rectangle won't do, used on their own as a focal point or paired with operating windows.
- Custom and specialty shapes
- Creates a focal point
- Pairs with operating windows
EntrywaysVaulted ceilingsFeature walls
Explore every window product page
Review the full MK Windows & Doors window range, including operating, fixed and specialty styles for replacement, installation, new construction and supply projects.
What to consider when choosing windows
A useful quote starts with the opening and project requirements. Photos and rough measurements can help us understand the scope before the next step.
- Replacement or new-construction opening
- Operating or fixed window style
- Double or triple glazing where available
- Low-E and glass options by product
- Interior and exterior colour choices
- Grid, hardware and architectural options
- Number and approximate size of openings
- Supply only or supply with installation
Planning a window project in Innisfil or a nearby service area?
Tell us whether you need replacement, installation, new construction or product supply and include the approximate number of windows.