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Interior view of Marvin Replacement Single Hung Round Top windows.

Single Hung Round Top Windows

Marvin Replacement Single Hung Round combines the graceful curve a Round Top window with the practicality of a Single Hung window to provide expansive views.

Interior living room featuring two Marvin Replacement Single Hung Round Top windows.


  • Built with Ultrex® fiberglass and glass reinforced composites for timeless design, durability, and low-maintenance performance

  • Operating lower sash to allow a cool breeze into the home

  • Available in custom sash heights to best fit your home

  • Screen frames are color-matched to the interior of your window, including an optional EverWood® wrapped screen that can be stained to match your windows and interior trim

  • Easy tilt lock feature allows cleaning from inside your home

  • Available in 6 unique Round Top configurations

Find the perfect style for your home
Exterior Colors
Exterior Colors

Choose from seven exterior color options to boost your curb appeal. Our fade-resistant acrylic finish resists scratches, chalking, fading, chipping, denting and peeling. 48,000 hours of sun can’t fade our finish.

Stone white swatch
Stone White
Sierra swatch
Cashmere swatch
Pebble Gray swatch
Pebble Gray
Bronze swatch
Bahama brown swatch
Ebony swatch

Marvin’s Ultrex® fiberglass finish is verified to the American Architectural Manufacturers Association (AAMA) 624 specification. Achieving AAMA 624 verification means that our Ultrex finish has passed rigorous tests that simulate the harsh conditions a finish can encounter throughout the life of the window or door. Average sunlight exposure per 10 years.

Interior Colors
Glass Options
Divided Lites
Screen Options
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Exterior image featuring Marvin Replacement Double Hung Windows in Ebony exterior finish.

If you’re ready to get started, discuss your replacement window and door options with a Marvin Replacement design consultant. We’re here to answer any questions you may have, and help make your project easy.

Schedule Your Consultation