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Bay and Bow Windows

When a standard window won’t do, try creating a dramatic view with a bow or bay window replacement. A bay window typically has a fixed middle window, with side windows that open. Bow windows are usually four or more windows joined together to create a curve, where all the windows may have the ability to open in some way.

These windows have a natural, yet elegant curve that adds light and space to a room, creating a larger view. You’ll find a variety of bow and bay window styles that are custom made for a perfect fit. Bring the outside in with replacement bow windows and bay windows.

Features:

  • Bay windows available in double hung, casement and fixed styles
  • Optional EZLok on double hung units which allows you to unlock and tilt in the sash with one motion
  • Choice of stain-grade wood for head, seat and jambs, with an option to upgrade to oak
  • Corian®solid surface seat options available in four colors
  • Single-lever multi-point locking mechanism for maximum security on casement units with a nesting operator handle
  • Hand crafted in the Great Lakes Window factory with a artisan craftsman weld to ensure the window is structurally sound when installed in your home
  • Insulated double- or triple-pane glass units can be configured for all climates
  • Variety of frame colors and grilles to accent your home’s style
  • Add designer glass that defines your personal style
Energy Star

Save on energy costs

Our energy-efficient vinyl bay 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. For a traditional look, add our Colonial pattern grilles to your bay windows or our Classic Diamond pattern adds authenticity to Tudor home styles. Most Great Lakes vinyl replacement windows are available with grilles-between-glass or simulated divided lites (on the outside of the glass).

Learn About Grilles


Glass Options

A clear advantage.

Our bay windows come with various insulated glass options. Double and triple pane units are available with Low-E coatings suitable for any climate. Improve the thermal performance of your replacement bay windows when you combine double-glazing with argon and Low-E. For ultimate performance in cold climates, consider upgrading to triple-glazed units with krypton and Low-E.

Glass Options