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Bow windows are made up of a series of windows connected in a gentle curve. Bow windows are typically used to create a small nook, open up a view, or simply add interesting space to a room.

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Features & Options
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  • The graceful curve of a Marvin Bow window is a lovely way to open up any room and capture a view.
  • Bow windows are custom designed and custom sized
  • Can be constructed from either Next Generation Clad Ultimate Double Hung or Wood Ultimate Double Hung, or Ultimate Casement windows to create a gentle curve
  • Individual windows are mulled together at our factory for a harmonious appearance.

Standard Specifications

  • One-lite Low E2 with argon insulating glass
  • Bare wood interior
  • All wood brick mould casing (wood units)
  • Extruded aluminum clad exterior (clad units)
  • 4 9/16" (116mm) jambs

Professional Resources
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Energy Information Finder

This tool provides some of the most common options on windows and doors and related NFRC certified values.

This tool is a guide only and does not reflect variations resulting from features and options not included in the tool. For more information about the energy efficiency of specific products and options, please contact your local Marvin sales representative.

The National Fenestration Rating Council (NFRC) has developed and operates a uniform national rating system for the energy performance of fenestration products, including windows and doors. NFRC does not recommend product and does not warrant the suitability of product for any specific use. For additional information regarding this rating system, see

See Energy Efficient Windows and Doors for further information on this topic.

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