Andersen 100 Series Casement window
100 Series

Casement Window


100 Series casement windows are not only low-maintenance and energy-efficient, they’re also available in dark colors both inside and out. Made with revolutionary Fibrex® composite material, this budget-friendly window is the smart alternative to vinyl.
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Learn More About 100 Series Windows & Doors

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Design Your Own

Use our easy step-by-step design tool to create your own 100 Series casement window. Explore and select from a wide variety of options including interior and exterior colors, hardware styles and finishes, grille patterns and trim.

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Andersen Windows Design Tool - 100 Series Casement Window

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A Warranty You Can Trust

At Andersen, we pride ourselves in crafting durable, long-lasting products. That resilience allows us to offer some of the best warranties in the industry. They're even transferable should you sell your home. With our exclusive Owner-to-Owner® limited warranties, you get peace of mind, plus real added value.
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100 Series Product Guide For Professionals

Created for trade professionals, product guides provide high-level overviews of the features and options available with each Andersen® product series.  Additionally, they include detailed information on the construction of each type of 100 Series window and door, along with sizing charts and section details. Product performance data is also included.
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