Andersen 400 Series Casement Window
400 Series

Casement Window


Our best-selling casement window provides a classic blend of engineering and craftsmanship. It features a wide array of options and accessories for a customized look. Its low-maintenance vinyl exterior helps protect against water damage while a rich, natural pine interior creates the perfect frame for art glass and grille patterns.

Design Your Own

Use our easy step-by-step design tool to create your own 400 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 - 400 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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andersen transferable warranty

200 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 200 Series window and door, along with sizing charts and section details. Product performance data is also included.
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