Specialty Shapes

Distinctive homes with a unique vision need windows to match. From direct glaze windows to unique geometric shapes, Marvin Specialty Shape windows go beyond the usual rectangle and add dimension and drama to a window design. Choose from various shapes to match your ideal window. Many specialty shape windows are available as in-sash windows to match your total window package. And many have the ability to operate.

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

Specialty Shape windows come standard as direct glaze units, but many shapes can be ordered as in-sash operating units

Available in a variety of glass and divided lite options

Energy efficiency is impressive, with 0.28 u-factor for clad products and 0.26 u-factor for wood products with Low E2 with argon.

This product is CE certified.


Ultimate Casement In-Sash Polygons match the sightlines of Marvin Ultimate Casement window products and are available in over 65 variations on many different shapes including triangular, trapezoidal and octagonal units. Many of the shapes are operating, with either right-hand or left-hand openings.

For increased design flexibility, Polygon shapes are available with narrow frames. Slim profiles and huge sizes make Polygons ideal for the contemporary market and for replacement projects.

Ultimate Casement In-Sash Polygon

Ultimate Casement In-Sash Polygon

Narrow Frame Ultimate Casement Polygon

Narrow Frame Ultimate Casement Polygon

Standard Specifications

  • One-lite Low E2 with argon insulating glass
  • Available in StormPlus™ for coastal regions IZ2, IZ3 and IZ4
  • Bare wood interior
  • Extruded aluminum clad exterior (clad units)
  • All-wood brick mould casing (wood units)
  • 4 9/16" jambs

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