Bow Windows

Standard Hardware, Finishes and Screens

Bow windows can be constructed by arranging either Ultimate Double Hung or Ultimate Casement windows in a smooth curve. View Ultimate Double Hung or Ultimate Casement windows for more details on hardware, hardware finishes and screens.

Retrofit Return Option

The Retro Fit Bay and Bow Return for Square Jamb Application option allows for a projecting window to replace a standard rectangular window. The return simplifies installation because it conforms to the 90° angle of the existing opening. This makes it easy to set a dramatic bow or bay window into an existing, standard square opening.
  • Can be installed into a standard square opening in either new construction or renovation projects
  • Is available in a variety of angles
  • Makes measurement and prep of the opening easier
  • Factory-applied insulation between jamb and interior return improves thermal performance.




Installation Accessories - Optional Cable Support System

A new, optional cable support system for Marvin Bows and Bays is designed to support applications that include both a head and seat board -- up to 500 pounds. The new cable support system is

  • Easily adjusted to ensure solid, lasting installation
  • Factory prepped for easy, job site installation
  • Very strong -- Marvin's straight line cable clamps were independently strength tested and found to far surpass lace and lock cleats or eyebolts.
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We're honored to be recognized as a finalist for the Minnesota Business Ethics A...

We're honored to be recognized as a finalist for the Minnesota Business Ethics Award, congrats to all the other finalists! You can find out more about all the companies raising the ethical ...