Western Series 670 Casement Window

Along with functionality and aesthetic appeal, the Series 670 Casement is also designed with top of the line hardware making it not only sustainable, but also energy efficient equipped with thermally broken aluminum and dual-paned low E glass. Engineered for performance to enhance drainage, all series 670 window styles include a sloped sill. Customizable sizes and finishes allow you to personalize your window as you choose for your particular space. Made in the USA and tested for air, water, and structural performance, with certification by both the NFRC (National Fenestration Rating Council) and the AAMA (American Architectural Manufacturers Association).

  • Butt hinges enable smooth operation, performance, and control with a double scissor-arm roto-operator or push-out style cam lever handle.
  • Available in widths from 16” to 42” and heights from 16” to 120”.
  • Features a hidden locking system.
  • Made up of stainless steel hardware for strength and smooth operation.
  • High-quality interior hardware in brushed nickel or painted to match the frame finish.
  • Motorized operators available for awning windows in hard-to-reach areas.
  • Screening providing protection from insects while complimenting the window’s clean contemporary style.
  • 4.5” frame depth allows the casement window to be directly mulled to many of Western Window Systems’ top of the line doors and windows.
  • Screen frames finished to match window’s frame color and manufactured from extruded aluminum for durability.  

Combining clean design and optimal performance with the same commitment to superior craftsmanship found in Western Window Systems’ multi-slide and bi-fold doors, the Series 670 Casement Window can be integrated with their hinged doors, sliding doors, and fixed window walls for maximum views and ventilation. A vast range of options lets you customize your window as you see fit.


Aluminum Finishes

Aluminum finishes for the Series 610 Single-Hung and Series 620 Sliding Window are available in-stock, as designer selections, and can be customized to match nearly any color. Samples shown are representative only. For exact paint swatch samples, contact us.

In-Stock Finishes

Dark bronze and satin anodized aluminum come standard with a Class 1 coating thickness for increased smoothness and durability.

Designer Finishes

Our designer colors are based upon popular paint choices in the homebuilding industry and include a high-quality paint finish that conforms to a minimum rating of AAMA-2605, currently the highest rating for organic finishes.

Custom Finishes

Have a specific color in mind? We can customize the color of your Series 610 Single-Hung and Series 620 Sliding Window to match virtually any finish.

Satin Anodized

Dark Bronze

Hillside Bronze

Bison Beige

Navajo White


Stonish Beige

Autumn Night


Cinnamon Toast

Western White

Estimates for a Western Series 670 Casement Window are Free for Most of Oahu

or call (808) 748-3772

Western Series 670 Casement Window Gallery - Click Images Below to Enlarge

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