Architectural Shapes

With our specialty architectural shape windows, you can add architectural style to your home and have a singular look.

With our architectural shape windows, you can add architectural style to your home and have a singular look. Highlight your home’s design with our uniquely shaped geometric windows, including octagon, trapezoid, elliptical, colonial arch, full circle and more. All of our windows are crafted with exceptional workmanship and designed to last.

Features & Benefits

  • Standard sizes in full range of glass options
  • Insulated glass panels
  • Operable eyebrows and half eyebrows for Series 150 and 160
  • Optional factory mulling simplifies installation
  • Available in white or almond
  • Limited lifetime warranty
Where To Buy
Architectural Shape Windows

Energy Efficient Glass Options

Energy Star Program LogoAtrium windows and doors are engineered with state-of-the-art glass technology to give you outstanding thermal efficiency. With a full range of glass options and special insulated spacers, we have a glass package to fit any climate need or budget. Verify product specifics before ordering. Triple Pane R-5 Compliant Glass options are only offer on Series 8900 windows. Low-e Glass & Argon Gas is standard on Series 8900 and 8700 windows.

Low-E Glass

Low-E glass is coated with a microscopic layer of silver that reflects radiant solar energy while permitting visible light to pass through the glass, providing more comfort and lower energy costs.

Low-E Glass and Argon Gas

Argon gas works like an insulating blanket between two panes of glass to further improve thermal eciency and decrease outside sound levels.

Ultra Low-E Glass and Argon Gas

Choose our ultimate glass package for optimal energy efficiency and maximum cost savings. Ultra Low-E glass offers three invisible layers of silver coating in addition to the superior thermal performance of argon gas.

Triple-Pane R-5 Compliant Glass

Triple-pane, R-5 compliant glass with Super Spacer® sealant system provides industry-leading thermal resistance, noise reduction and protection from the sun. The Series 8900 oers this option with both Low-E glass with argon gas or Ultra Low-E glass with argon gas, for the ultimate in insulation.

Vinyl Color Options




Interior Laminate Options


Dark Oak

Light Oak

Exterior Paint / Laminate Options

Black (Paint)

Brick Red (Paint)

Bronze (Paint)

Clay (Paint)

Dark Chocolate (Paint)

Gray (Paint)

Hunter Green (Paint)

Tan (Paint)

Terratone (Paint)

Bronze (Laminate)

Device/Monitor screen settings may affect color shown. Please refer to actual window sample when selecting colors. Exterior laminates available on white window only. Only use mild, water based household cleaner on painted product and rinse immediately with water. See full cleaning instructions for details. Interior laminate options are only available on Series 8900 windows. Exterior painted color options are only available on Series 8900 and 8300 windows. Bronze exterior laminate is only available on Series 8700 windows. Grids are not available for window ordered with exterior paint and laminate finishes.

Available Grid Types

1-Inch Contoured Grid

3/4-Inch Flat Grid

5/8-Inch Contoured Grid

5/8-Inch Flat Grid

Simulated Divided Lites (SDL) Grid

Available Architectural Shapes Models

Architectural Shape Windows
Download Feature Sheet View Model

Atrium Product Specifications

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Atrium installation Instructions & Videos

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Become An Atrium Distributor

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Windows 101 Video Series

Enjoy our collection of animated educational videos covering a variety of topics including condensation, window styles, window options, warranties, window/building codes and more.

Browse Windows 101 Videos