Marvin® Windows

Round Top Windows


The Round Top windows combine state-of-the-art window design with a clean, classic style.  Advanced engineering and the highest quality construction make these windows incredibly durable, versatile, and easy to use.

Marvin Next Generation Ultimate Double Hung Round Top:

The Next Generation Ultimate Double Hung Round Top will add traditional arching and elegant lines to your home or historic preservation project. These versatile windows can range from a large dramatic focal point to a subtle accent to a roof line to enhance your home design.  Features:

  • When the unique design vision of your home requires a special focal point or added drama, Marvin Special Shape windows can be the perfect addition. Choose from thousands of geometric shapes

  • Multi-point Locking System: Revolutionary system locks directly into the jamb
  • Aluminum Inter-lock: Eliminates drafts and improves the overall structural performance
  • Vent Mode: Allows you to lock the window while it is open 4 inches.
  • Narrow Checkrail: A 1 15/16” checkrail provides a traditional look.
  • Complete Wood Interior
  • Shorter Sill Liner
  • 14 degree sill bevel

Marvin Ultimate Casement Round Top:

The Marvin Ultimate Casement Round Top is a great choice for designs that require large unobstructed views and the elegance of an arched shape. You can select from numerous round top shapes for design flexibility.  The window is beautiful enough to use alone as a focal point, as a picture window, or in combination with other Marvin casement windows.  The Ultimate Casement Round Top Window is also offered in larger sizes for grand views while still providing energy efficiency.    Features:

  • Site lines complement Ultimate Casement products
  • Can be mulled to other Ultimate Casement products
  • Available in large size
  • Tripane and many other glass types available
  • Both operating and stationary Casement Round Tops available
  • Vast and versatile design configurations

Marvin Push Out Casement Round Top:

The elegance of the Ultimate Casement Round Top with the easy operability and traditional look of push out casement windows.   Features:

  • Available in single sash Push Out Casement Round Top operating style
  • Adjustable friction limiter for swing control
  • Cleaning is easy–simply unlock a single handle to open the window, and rotate the window inward
  • Sightlines harmonize with Marvin Ultimate window products