Bay & Bow Windows

Bay and Bow windows are the most cost effective way to increase the room size and/or the square footage of usable space in the house. Just about any regular windows can be converted into bay or bow windows. Anyone will enjoy an extra deep ledge to sit on or put their favourite plants on.

We can design your bay or bow window to fit your needs and build it from scratch. You will also enjoy an excellent air flow form your new bay or bow window as they usually come with at least two opening sections. We also insulate top and bottom ledge of the window and the posts.

Some applications will require us to build the roof of the new bay or bow, which can be finished with powered coated aluminum or shingles of your choice. Skirts are also optional and can dramatically increase the curb appeal of your bay or bow window as well as your house.


  • Made with triple weatherstripping and 7⁄8” thick energy efficient thermo(Low E Argon Gas).
  • Option: Triple, Laminated, Frosted, Gluechip.
  • Material: uPVC, uPVC and aluminum (hybrid)
  • 90-degree sash opening eases cleaning from the inside (when integrating casement windows).
  • Stainless steel hardware guarantees an increased durability.


Windows, skylights and doors are not generally assigned with an R-value when they are being tested. Nevertheless, window salespeople and contractors may often refer to an R-value for measuring the window performance. R-value serves as a measure of the resistance to flow of heat. In order to understand this R-value system in a better way, you can sample U-factors in metric as well as imperial units that have been perfectly converted to the R-values in this following table. Since the ER values are actually derived from a mathematical formula that makes use of U-factor as well as solar heat gain, there’s no method for directly converting the ER value into an R-value.

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Ready for installation of windows & doors for your home