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Marvin Ultimate Magnum Double Hung

The Marvin Ultimate Magnum Double Hung window is designed for large residential openings, commercial applications and historic renovations. The window is available in sizes as large as 5 x 10 feet. Marvin’s Ultimate Magnum Double Hung’s site lines and profiles match Marvin’s Ultimate Double Hung family of products beautifully, making it easy to mix and match windows within this family.

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Features & Options
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  • High-quality spiral balance system meets AAMA 902-99 Class 5 specifications for smooth operation at every size
  • WDMA certified to H-C50
  • Available in StormPlus™ for coastal region IZ3
This product is CE certified.

Single Hung

  • Single Hung windows are built like double hung windows, but the top sash remains stationary.
  • Field application kit available

Triple Hung

Originally developed by Marvin Signature Services as a custom solution, this unique Marvin window is available by Special Order. See your Marvin dealer for more information on this specialty product.

  • Suited for specialty / historical applications, available from Marvin Signature Services.
  • More often used in large openings for historical replication.

Round Tops

  • Round Top 1: Standard Double Hung window with a half round elliptical transom
  • Round Top 2: Double Hung with true radius upper sash and frame. Both interior and exterior have radius top.
  • Round Top 3: Standard Double Hung window on the interior with arched exterior casing (wood units only)
  • Round Top 4: Double Hung window with eyebrow radius upper sash and frame. Both interior and exterior have a radius top.
  • Round Top 5: Standard Double Hung with a rectangular sash and radius glass designed to have a round top appearance. (wood units only)
  • Round Top 6: Standard Double Hung with a round top appearance from the exterior thanks to curved exterior components. Interior has a standard frame with rectangular sash and radius glass. (wood units only)
Round Top 1

Round Top 1

Round Top 2

Round Top 2

Round Top 3

Round Top 3

Round Top 4

Round Top 4

Round Top 5

Round Top 5

Round Top 6

Round Top 6

Standard Specifications

  • One-lite Low E2 with argon insulating glass
  • Satin Taupe sash lock
  • Bare wood interior
  • Extruded aluminum clad exterior (clad units)
  • All-wood exterior (wood units)
  • 4 9/16" jambs
  • 8° sill bevel

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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