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Home | Window Styles | Casement Windows

Casement Windows

Vinyl casement windows are attached (or hinged) to one side of the frame and open by swinging out from your home. Great Lakes Window vinyl casement windows open with a crank and feature a fold-away nesting handle that does not stick out and provides a nice, tidy look. Our casement windows also offer a single-lever multi-point locking mechanism with single locking handle for maximum security.

Many homeowners choose Great Lakes casement style windows for their energy efficiency, security and aesthetic beauty. They can be joined together (mulled) and are available in double and triple casement combinations to create an attractive look in a wider space.


  • Sashes swing outward for easy ventilation
  • Screens removable from inside home
  • Single-lever multi-point locking mechanism with single locking handle for maximum security
  • Color-coordinated locking and operating hardware for functional beauty
  • Folding nested operator handles come standard
  • Fusion welded frames ensure your window stays strong, square and weather-tight
  • Insulated double- and triple-pane glass units can be configured for all climates
  • Variety of frame colors and grilles to accent home’s style


Energy Star

Save on energy costs.

Our energy-efficient vinyl casement windows help reduce your energy bills while making your home more comfortable year-round. It’s the result of fusion-welded multi-chambered vinyl frames, high performance insulated glass units, state-of-the-art manufacturing processes and stringent quality standards.

Energy Efficiency

More colorful views

More colorful views.

Our extruded and integral co-extruded colors offer outstanding color retention and durability. Or if you prefer bolder shades — opt for our Signature paint colors.

All Colors

Grilles define style

Grilles define style.

Grilles recreate the look of traditional windowpanes and come in a variety of patterns. Own a prairie style home? Add Perimeter Prairie grilles to your casement windows to complement Prairie or Arts and Crafts styling, or try a Colonial pattern for a traditional look. To bring in even more daylight, add a transom window above a casement with the same grille pattern. Most Great Lakes windows are available with grilles-between-glass or simulated divided lites (on the outside of the glass).

Learn About Grilles

Combo Lock

Lock-up in style.

Sometimes it’s the little details that make the big differences. Our color-matched nested hardware complements our neutral and woodgrain interiors. Or upgrade to a plated finish to take your home’s style to a new level. Get this seamless security on any replacement casement windows.

Hardware Options

Sound Resistant

Keep outside noise out.

Great Lakes Windows provides just as much insulation against heat loss as it does sound. We can configure our new casement windows with double-or triple-glazed glass that is thicker as well as laminated to help keep the noise outside where it belongs.

Sound Resistant