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Ulimate Replacement Casement Simulated Double Hung

The Ultimate Replacement Casement: Changing how you maintain your home


Marvin’s Ultimate Replacement Casement—the first of its kind among windows—features an exclusive easy wash mode, which allows the outside to be washed from the inside.

  • Easily installs as a frame-in-frame insert into virtually any existing window. There is no need to remove the entire window, disturb existing wallpaper, siding or replace millwork. In addition, the window is ideal for full tear-out replacement or even new construction.
  • Versatile, narrow jamb size provides the perfect replacement solution, particularly for old vinyl or aluminum windows.
  • Durable hardware system provides the widest open views even at extra-large sizes
  • Various congurations are available, including awning and picture varieties.
  • Replacing drafty windows with the Ultimate Replacement Casement can help homes increase their energy e-ciency. Low E II glass with argon helps keep heat in during the winter and out in the summer, lowering heating and cooling bills.
  • Can replace old double hung windows. A simulated checkrail and wide bottom rail approximate the look of a double hung, allowing a home to keep its architectural style.


The Ultimate Replacement Casement is the most innovative casement window on the market today. Its versatility and fine construction make it appropriate for any sort of home and the wash feature’s easy cleaning makes it perfect for our busy lifestyles.”

- Thomas Goetz, Senior Product Planner, Marvin Windows and Doors

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