Replacement Bow and Bay Windows

Bow WindowReplacement Bow and Bay Windows

These windows provide a classic styling to your home and make any room more inviting. They have a special style not only to the interior but exterior as well, with the combination of multiple windows to create an angle extending from the edge of the house.

Bay and Bow Window Projection
Bay Bow Window Projection

These windows provide more light, and give elegance and spaciousness. They are customizable to feature your choice of windows to make it uniquely yours.


All bay and bow windows come with an insulated birch seat board or you can upgrade to your choice of the oak seat board. Bay Units are offered in 30º and 45º units, and they come with the head and an insulated seat board. Bow units are available in either a three, four or five wide. Depending on the projection of the bow or bay unit, knee brackets may need to be added for added support KB-L or KB-XL.

Note on the sizing of Replacement Windows
Manufacturing will ALWAYS deduct 1/4″ on the width and 1/2″ on the height when given dimensions that are NOT specified as Tip to Tip.

Helpful Links

DuraGard XT Double Hung Test Report

Super Spacer Benefits Handout

U Values For All Windows

Grid Options

Replacement Window Measurement Instructions